Area Code 605 — Sioux Falls, Rapid City, Wall, South Dakota
ActiveData last updated: June 25, 2026
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9631 | 104 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | 6569 | 100 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 81 |
| MIDCONTINENT COMMUNICATIONS. - SD | 7076 | 34 |
| VENTURE COMMUNICATIONS COOPERATIVE | 1680 | 30 |
| INTERSTATE TELECOM COOP, INC. - SD | 1651 | 27 |
| GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | 1659 | 27 |
| ONVOY, LLC - SD | 162G | 19 |
| VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | 1686 | 19 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 18 |
Rate Centers
DUPREE
SIOUX FLS
VERMILLION
LK PRESTON
MILLER
ELK POINT
STURGIS
PLATTE
WINNER
RAPID CITY
BELLEFORCH
HARISBGTEA
ABERDEEN
NOSIOUX CY
EAGLEBUTTE
PIERRE
ETHAN
MOBRIDGE
CLARK
CHAMBERLAN
MT VERNON
WATERTOWN
HURLEY
ALEXANDRIA
SALEM
NEWHOLLAND
BISON
FTTHOMPSON
SPENCER
CENTER
LETCHER
WHITE LAKE
ALSEN
HERMOSA
MADISON
NISLAND
ONIDA
WHITERIVER
YANKTON
IRENE
WEBSTER
HITCHCOCK
WAKONDA
SISSETON
SPEARFISH
GARY
MCINTOSH
ROSCOE
SOSCRANTON
WALL
BOWDLE
HOSMER
EUREKA
AVON
NO GORDON
SO ASHLEY
MITCHELL
GANNVALLEY
CLAREMONT
CANISTOTA
PARKER
ANDOVER
BERESFORD
REDFIELD
WHITE
HILL CITY
NOVALENTIN
MCLAUGHLIN
ARLINGTON
IROQUOIS
MISSION
BROOKINGS
CRESBARD
PIERPONT
VIBORG
FLYGER
FREDERICK
BELVIDERE
SO ELLENDL
WESTJASPER
HURON
SO FORBES
HUMBOLDT
LESTERVL
SPRINGFLD
WORTHING
LEMMON
BUFFALO
SO NELVIK
CONDE
SO GUELPH
WAGNER
QUINN
MENNO
ORIENT
FERNEY
COLUMBIA
GROTON
SUMMIT
MARTIN
IPSWICH
CASTLEWOOD
ROSLYN
ORAL
DELLRAPIDS
NOCROOKSTN
MILBANK
INTERIOR
WAUBAY
SENECA
HERREID
LEOLA
CUSTER
TOLSTOY
COLTON
ONAKA
BRITTON
EMERY
WOOD
KYLE
NEWELL
CREIGHTON
WESSINGTON
ARDMORE
LONGVALLEY
TABOR
TYNDALL
CROOKS
ISABEL
LAKE ANDES
RELIANCE
NLARCHWOOD
HIGHMORE
WHENDRICKS
OLDHAMRMON
WENTWORTH
WINFRED
KADOKA
CHESTER
BRISTOL
LANGFORD
FORESTBURG
WOLSEY
PARKSTON
NEWUNDERWD
MURDO
CANOVA
WALL LAKE
ARTESIAN
HARTFORD
BALTIC
FLANDREAU
SOLIDGERWD
OELRICHS
ROSHOLT
WESIGTNSPG
BIGSTONECY
ELKTON
MILESVILLE
W HAWARDEN
CENTERVL
CLEARFIELD
CANTON
BROOKINGSR
PINE RIDGE
SOHETTINGR
WEST AKRON
HAYES
ARMOUR
SOUTH LADD
LONG LAKE
HOWARD
BRANDON
SCOTLAND
NUNDA
NO BRISTOW
GARRETSON
TULARE
FAULKTON
CAVOUR
REVILLO
BRYNTWLWLK
VOLGA
DOLAND
NEWEFFNGTN
SELBY
LENNOX
MARION
CLAIRECITY
BONESTEEL
EDGEMONT
KEYSTONE
STOCKHOLM
W MARIETTA
KIMBALL
VIVIAN
ESTELLINE
SOVENTURIA
WBROWNSVLY
LAKENORDEN
ACADEMY
BRIDGEWTR
STICKNEY
LAPLANT
SO FORMAN
VEBLEN
FAITH
HOTSPRINGS
ROSEBUD
MAURINE
ENEWCASTLE
SOUTHSHORE
VALLEY SPG
FLORENCE
GLENHAM
GETTYSBURG
LEBANON
BURKE
DELMONT
HAYTI
BRADLEY
MEADOW
TORONTO
GOODWIN
WOONSOCKET
CAMP CROOK
WICKSVILLE
NORTH CODY
CLAYTON
SINAI
GREGORY
ASTORIA
BUFFALOGAP
NORTHNAPER
MIDLAND
ALPENA
DE SMET
SO REEDER
PHILIP
TIMBERLAKE
SORUM
KENNEBEC
CLEAR LAKE
HARROLD
BRANDT
WITTEN
HOUGHTON
MELLETTE
POLLOCK
PUKWANA
PRESHO
TURTON
FREEMAN
PEEVER
ALCESTER
TRIPP
WILMOT
PLANKINTON
REEHEIGHTS
CORSICA
HOVEN
MOUND CITY
BLUNT
JEFFERSON
NO KILGORE
HUDSON
ENNING
WASTA
HECLA
Exchange Listings (NXX)
| NPA-NXX | Carrier | Rate Center | Type | LATA | Status |
|---|---|---|---|---|---|
| 605-200 | NEW CINGULAR WIRELESS PCS, LLC - IL | DUPREE | Wireless | 640 | active |
| 605-201 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-202 | NEW CINGULAR WIRELESS PCS, LLC - IL | VERMILLION | Wireless | 640 | active |
| 605-203 | NEW CINGULAR WIRELESS PCS, LLC - IL | LK PRESTON | Wireless | 640 | active |
| 605-204 | NEW CINGULAR WIRELESS PCS, LLC - IL | MILLER | Wireless | 640 | active |
| 605-205 | NEW CINGULAR WIRELESS PCS, LLC - IL | ELK POINT | Wireless | 640 | active |
| 605-206 | NEW CINGULAR WIRELESS PCS, LLC - IL | STURGIS | Wireless | 640 | active |
| 605-207 | NEW CINGULAR WIRELESS PCS, LLC - IL | PLATTE | Wireless | 640 | active |
| 605-208 | NEW CINGULAR WIRELESS PCS, LLC - IL | WINNER | Wireless | 640 | active |
| 605-209 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-210 | NEW CINGULAR WIRELESS PCS, LLC - IL | BELLEFORCH | Wireless | 640 | active |
| 605-212 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-213 | MIDCONTINENT COMMUNICATIONS. - SD | HARISBGTEA | Landline | 640 | active |
| 605-214 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HARISBGTEA | Wireless | 640 | active |
| 605-215 | AERIAL COMMUNICATIONS, INC. | SIOUX FLS | Wireless | 640 | active |
| 605-216 | NEW CINGULAR WIRELESS PCS, LLC - IL | ABERDEEN | Wireless | 640 | active |
| 605-217 | IMON COMMUNICATIONS LLC | NOSIOUX CY | Landline | 630 | active |
| 605-218 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | EAGLEBUTTE | Wireless | 640 | active |
| 605-219 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-220 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | PIERRE | Wireless | 640 | active |
| 605-221 | PAETEC ITEL, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-222 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | PIERRE | Wireless | 640 | active |
| 605-223 | QWEST CORPORATION | PIERRE | Landline | 640 | active |
| 605-224 | QWEST CORPORATION | PIERRE | Landline | 640 | active |
| 605-225 | QWEST CORPORATION | ABERDEEN | Landline | 640 | active |
| 605-226 | QWEST CORPORATION | ABERDEEN | Landline | 640 | active |
| 605-227 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | ETHAN | Landline | 640 | active |
| 605-228 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ABERDEEN | Wireless | 640 | active |
| 605-229 | QWEST CORPORATION | ABERDEEN | Landline | 640 | active |
| 605-230 | NEW CINGULAR WIRELESS PCS, LLC - IL | MOBRIDGE | Wireless | 640 | active |
| 605-231 | AERIAL COMMUNICATIONS, INC. | SIOUX FLS | Wireless | 640 | active |
| 605-232 | QWEST CORPORATION | NOSIOUX CY | Landline | 630 | active |
| 605-233 | NEW CINGULAR WIRELESS PCS, LLC - IL | CLARK | Wireless | 640 | active |
| 605-234 | MIDSTATE TELECOM, INC. - SD | CHAMBERLAN | Landline | 640 | active |
| 605-235 | QWEST CORPORATION | NOSIOUX CY | Landline | 630 | active |
| 605-236 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | MT VERNON | Landline | 640 | active |
| 605-237 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WATERTOWN | Wireless | 640 | active |
| 605-238 | CLARITY TELECOM, LLC DBA BLUEPEAK | HURLEY | Landline | 640 | active |
| 605-239 | TRIOTEL COMMUNICATIONS, INC. | ALEXANDRIA | Landline | 640 | active |
| 605-240 | NEW CINGULAR WIRELESS PCS, LLC - IL | SALEM | Wireless | 640 | active |
| 605-241 | SOUTH DAKOTA NETWORK, LLC | SIOUX FLS | Landline | 640 | active |
| 605-242 | LONG LINES METRO, LLC - SD | NOSIOUX CY | Landline | 630 | active |
| 605-243 | MIDSTATE COMMUNICATIONS, INC. | NEWHOLLAND | Landline | 640 | active |
| 605-244 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | BISON | Landline | 640 | active |
| 605-245 | MIDSTATE COMMUNICATIONS, INC. | FTTHOMPSON | Landline | 640 | active |
| 605-246 | TRIOTEL COMMUNICATIONS, INC. | SPENCER | Landline | 640 | active |
| 605-247 | TRIOTEL COMMUNICATIONS, INC. | CENTER | Landline | 640 | active |
| 605-248 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | LETCHER | Landline | 640 | active |
| 605-249 | MIDSTATE COMMUNICATIONS, INC. | WHITE LAKE | Landline | 640 | active |
| 605-250 | ONVOY, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-251 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-252 | NEW CINGULAR WIRELESS PCS, LLC - IL | ABERDEEN | Landline | 640 | active |
| 605-253 | CLARITY TELECOM, LLC DBA BLUEPEAK | ALSEN | Landline | 640 | active |
| 605-254 | AT&T - LOCAL | SIOUX FLS | Landline | 640 | active |
| 605-255 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | HERMOSA | Landline | 640 | active |
| 605-256 | QWEST CORPORATION | MADISON | Landline | 640 | active |
| 605-257 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | NISLAND | Landline | 640 | active |
| 605-258 | VENTURE COMMUNICATIONS COOPERATIVE | ONIDA | Landline | 640 | active |
| 605-259 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | WHITERIVER | Landline | 640 | active |
| 605-260 | CLARITY TELECOM, LLC DBA BLUEPEAK | YANKTON | Landline | 640 | active |
| 605-261 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-262 | MIDCONTINENT COMMUNICATIONS. - SD | ABERDEEN | Landline | 640 | active |
| 605-263 | CLARITY TELECOM, LLC DBA BLUEPEAK | IRENE | Landline | 640 | active |
| 605-264 | VENTURE COMMUNICATIONS COOPERATIVE | ONIDA | Landline | 640 | active |
| 605-265 | NEW CINGULAR WIRELESS PCS, LLC - IL | WEBSTER | Wireless | 640 | active |
| 605-266 | VENTURE COMMUNICATIONS COOPERATIVE | HITCHCOCK | Landline | 640 | active |
| 605-267 | CLARITY TELECOM, LLC DBA BLUEPEAK | WAKONDA | Landline | 640 | active |
| 605-268 | NEW CINGULAR WIRELESS PCS, LLC - IL | SISSETON | Wireless | 640 | active |
| 605-269 | QWEST CORPORATION | SPEARFISH | Landline | 640 | active |
| 605-270 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MADISON | Wireless | 640 | active |
| 605-271 | MIDCONTINENT COMMUNICATIONS. - SD | SIOUX FLS | Landline | 640 | active |
| 605-272 | INTERSTATE TELECOM COOP, INC. - SD | GARY | Landline | 640 | active |
| 605-273 | QWEST CORPORATION | MCINTOSH | Landline | 640 | active |
| 605-274 | MIDCONTINENT COMMUNICATIONS. - SD | SIOUX FLS | Landline | 640 | active |
| 605-275 | MIDCONTINENT COMMUNICATIONS. - SD | SIOUX FLS | Landline | 640 | active |
| 605-276 | MIDCONTINENT COMMUNICATIONS. - SD | ROSCOE | Landline | 640 | active |
| 605-277 | LEVEL 3 COMMUNICATIONS, LLC - SD | ABERDEEN | Landline | 640 | active |
| 605-278 | CONSOLIDATED TELCOM | SOSCRANTON | Landline | 638 | active |
| 605-279 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | WALL | Landline | 640 | active |
| 605-280 | NEW CINGULAR WIRELESS PCS, LLC - IL | PIERRE | Wireless | 640 | active |
| 605-281 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | BOWDLE | Wireless | 640 | active |
| 605-282 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | BOWDLE | Wireless | 640 | active |
| 605-283 | VALLEY TELECOM COOP. ASSN., INC. | HOSMER | Landline | 640 | active |
| 605-284 | VALLEY TELECOM COOP. ASSN., INC. | EUREKA | Landline | 640 | active |
| 605-285 | VENTURE COMMUNICATIONS COOPERATIVE | BOWDLE | Landline | 640 | active |
| 605-286 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | AVON | Landline | 640 | active |
| 605-287 | VENTURE COMMUNICATIONS COOPERATIVE | ROSCOE | Landline | 640 | active |
| 605-288 | GREAT PLAINS COMMUNICATIONS, INC. | NO GORDON | Landline | 646 | active |
| 605-289 | DICKEY RURAL TEL. COOP. | SO ASHLEY | Landline | 638 | active |
| 605-290 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ABERDEEN | Wireless | 640 | active |
| 605-291 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MADISON | Wireless | 640 | active |
| 605-292 | MIDCONTINENT COMMUNICATIONS. - SD | MITCHELL | Landline | 640 | active |
| 605-293 | MIDSTATE COMMUNICATIONS, INC. | GANNVALLEY | Landline | 640 | active |
| 605-294 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | CLAREMONT | Landline | 640 | active |
| 605-295 | NEW CINGULAR WIRELESS PCS, LLC - IL | PIERRE | Wireless | 640 | active |
| 605-296 | ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | CANISTOTA | Landline | 640 | active |
| 605-297 | CLARITY TELECOM, LLC DBA BLUEPEAK | PARKER | Landline | 640 | active |
| 605-298 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | ANDOVER | Landline | 640 | active |
| 605-299 | LEVEL 3 COMMUNICATIONS, LLC - SD | MITCHELL | Landline | 640 | active |
| 605-300 | NEW CINGULAR WIRELESS PCS, LLC - IL | BERESFORD | Wireless | 640 | active |
| 605-301 | BANDWIDTH.COM CLEC, LLC - SD | PIERRE | Landline | 640 | active |
| 605-302 | MIDCONTINENT COMMUNICATIONS. - SD | REDFIELD | Landline | 640 | active |
| 605-303 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WATERTOWN | Wireless | 640 | active |
| 605-304 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | WHITE | VoIP | 640 | active |
| 605-305 | TELNYX LLC | SIOUX FLS | VoIP | 640 | active |
| 605-306 | CLARITY TELECOM, LLC DBA BLUEPEAK | SIOUX FLS | Landline | 640 | active |
| 605-307 | AIRUS, INC. - SD | HILL CITY | Landline | 640 | active |
| 605-308 | T-MOBILE USA, INC. | NOSIOUX CY | Wireless | 630 | active |
| 605-309 | BANDWIDTH.COM CLEC, LLC - SD | NOVALENTIN | VoIP | 644 | active |
| 605-310 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-312 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-313 | NORTHERN VALLEY COMMUNICATIONS, LLC | REDFIELD | Landline | 640 | active |
| 605-314 | STANDING ROCK TELECOMMUNICATIONS, INC. | MCLAUGHLIN | Wireless | 640 | active |
| 605-315 | AIRUS, INC. - SD | ARLINGTON | Landline | 640 | active |
| 605-316 | AIRUS, INC. - SD | IROQUOIS | Landline | 640 | active |
| 605-317 | ONVOY, LLC - SD | MITCHELL | Landline | 640 | active |
| 605-318 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | PIERRE | Wireless | 640 | active |
| 605-319 | NEW CINGULAR WIRELESS PCS, LLC - IL | MISSION | Wireless | 640 | active |
| 605-320 | NEW CINGULAR WIRELESS PCS, LLC - IL | BROOKINGS | Wireless | 640 | active |
| 605-321 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-322 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-323 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-324 | VENTURE COMMUNICATIONS COOPERATIVE | CRESBARD | Landline | 640 | active |
| 605-325 | VENTURE COMMUNICATIONS COOPERATIVE | PIERPONT | Landline | 640 | active |
| 605-326 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | VIBORG | Landline | 640 | active |
| 605-327 | CLARITY TELECOM, LLC DBA BLUEPEAK | FLYGER | Landline | 640 | active |
| 605-328 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-329 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | FREDERICK | Landline | 640 | active |
| 605-330 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-331 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-332 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-333 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-334 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-335 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-336 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-337 | MIDSTATE COMMUNICATIONS, INC. | PLATTE | Landline | 640 | active |
| 605-338 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-339 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-340 | ONVOY, LLC - SD | SPEARFISH | Landline | 640 | active |
| 605-341 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-342 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-343 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-344 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | BELVIDERE | Landline | 640 | active |
| 605-345 | INTERSTATE TELECOM COOP, INC. - SD | WEBSTER | Landline | 640 | active |
| 605-346 | DICKEY RURAL TEL. COOP. | SO ELLENDL | Landline | 636 | active |
| 605-347 | QWEST CORPORATION | STURGIS | Landline | 640 | active |
| 605-348 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-349 | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | WESTJASPER | Landline | 620 | active |
| 605-350 | NEW CINGULAR WIRELESS PCS, LLC - IL | HURON | Wireless | 640 | active |
| 605-351 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-352 | QWEST CORPORATION | HURON | Landline | 640 | active |
| 605-353 | QWEST CORPORATION | HURON | Landline | 640 | active |
| 605-354 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-355 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-356 | QWEST CORPORATION | ELK POINT | Landline | 640 | active |
| 605-357 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-358 | DICKEY RURAL TEL. COOP. | SO FORBES | Landline | 636 | active |
| 605-359 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-360 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-361 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-362 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-363 | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | HUMBOLDT | Landline | 640 | active |
| 605-364 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | LESTERVL | Landline | 640 | active |
| 605-365 | CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY | DUPREE | Landline | 640 | active |
| 605-366 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-367 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-368 | QWEST CORPORATION | HARISBGTEA | Landline | 640 | active |
| 605-369 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | SPRINGFLD | Landline | 640 | active |
| 605-370 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-371 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-372 | CLARITY TELECOM, LLC DBA BLUEPEAK | WORTHING | Landline | 640 | active |
| 605-373 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-374 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | LEMMON | Landline | 640 | active |
| 605-375 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | BUFFALO | Landline | 640 | active |
| 605-376 | AERIAL COMMUNICATIONS, INC. | SIOUX FLS | Wireless | 640 | active |
| 605-377 | QWEST CORPORATION | ABERDEEN | Landline | 640 | active |
| 605-378 | QWEST CORPORATION | NOVALENTIN | Landline | 644 | active |
| 605-379 | DICKEY RURAL TEL. COOP. | SO NELVIK | Landline | 638 | active |
| 605-380 | NEW CINGULAR WIRELESS PCS, LLC - IL | ABERDEEN | Wireless | 640 | active |
| 605-381 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-382 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | CONDE | Landline | 640 | active |
| 605-383 | DICKEY RURAL TEL. COOP. | SO GUELPH | Landline | 636 | active |
| 605-384 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | WAGNER | Landline | 640 | active |
| 605-385 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-386 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | QUINN | Landline | 640 | active |
| 605-387 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | MENNO | Landline | 640 | active |
| 605-388 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-389 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-390 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-391 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-392 | VENTURE COMMUNICATIONS COOPERATIVE | ORIENT | Landline | 640 | active |
| 605-393 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-394 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-395 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | FERNEY | Landline | 640 | active |
| 605-396 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | COLUMBIA | Landline | 640 | active |
| 605-397 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | GROTON | Landline | 640 | active |
| 605-398 | RC TECHNOLOGIES | SUMMIT | Landline | 640 | active |
| 605-399 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-400 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-401 | IP HORIZON LLC | SIOUX FLS | VoIP | 640 | active |
| 605-402 | Landline | active | |||
| 605-403 | CSC WIRELESS, LLC | SIOUX FLS | Wireless | 640 | active |
| 605-404 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-405 | ONVOY, LLC - SD | ARLINGTON | Landline | 640 | active |
| 605-406 | Landline | active | |||
| 605-407 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-408 | NEW CINGULAR WIRELESS PCS, LLC - IL | HARISBGTEA | Wireless | 640 | active |
| 605-409 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HARISBGTEA | Wireless | 640 | active |
| 605-410 | MIDCONTINENT COMMUNICATIONS. - SD | IPSWICH | Landline | 640 | active |
| 605-412 | NEW CINGULAR WIRELESS PCS, LLC - IL | HURON | Wireless | 640 | active |
| 605-413 | LEVEL 3 COMMUNICATIONS, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-414 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | CASTLEWOOD | VoIP | 640 | active |
| 605-415 | LEVEL 3 COMMUNICATIONS, LLC - SD | RAPID CITY | Landline | 640 | active |
| 605-416 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-417 | NATIVE AMERICAN TELECOM, LLC - SD | FTTHOMPSON | Landline | 640 | active |
| 605-418 | AERIAL COMMUNICATIONS, INC. | ABERDEEN | Wireless | 640 | active |
| 605-419 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SISSETON | Wireless | 640 | active |
| 605-420 | MIDCONTINENT COMMUNICATIONS. - SD | ROSLYN | Landline | 640 | active |
| 605-421 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SALEM | Wireless | 640 | active |
| 605-422 | LONG LINES METRO, LLC - SD | NOSIOUX CY | Landline | 630 | active |
| 605-423 | QWEST CORPORATION | STURGIS | Landline | 640 | active |
| 605-424 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | ORAL | Landline | 640 | active |
| 605-425 | TRIOTEL COMMUNICATIONS, INC. | SALEM | Landline | 640 | active |
| 605-426 | VALLEY TELECOM COOP. ASSN., INC. | IPSWICH | Landline | 640 | active |
| 605-427 | CLARITY TELECOM, LLC DBA BLUEPEAK | MADISON | Landline | 640 | active |
| 605-428 | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | DELLRAPIDS | Landline | 640 | active |
| 605-429 | GREAT PLAINS COMMUNICATIONS, INC. | NOCROOKSTN | Landline | 644 | active |
| 605-430 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-431 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-432 | QWEST CORPORATION | MILBANK | Landline | 640 | active |
| 605-433 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | INTERIOR | Landline | 640 | active |
| 605-434 | RC COMMUNICATIONS, INC. - SD | MILBANK | Landline | 640 | active |
| 605-435 | MIDCONTINENT COMMUNICATIONS. - SD | WAUBAY | Landline | 640 | active |
| 605-436 | VENTURE COMMUNICATIONS COOPERATIVE | SENECA | Landline | 640 | active |
| 605-437 | VALLEY TELECOM COOP. ASSN., INC. | HERREID | Landline | 640 | active |
| 605-438 | INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. | MILBANK | Landline | 640 | active |
| 605-439 | VALLEY TELECOM COOP. ASSN., INC. | LEOLA | Landline | 640 | active |
| 605-440 | NEW CINGULAR WIRELESS PCS, LLC - IL | CUSTER | Wireless | 640 | active |
| 605-441 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-442 | VENTURE COMMUNICATIONS COOPERATIVE | TOLSTOY | Landline | 640 | active |
| 605-443 | MIDCONTINENT COMMUNICATIONS. - SD | SPEARFISH | Landline | 640 | active |
| 605-444 | MIDCONTINENT COMMUNICATIONS. - SD | SIOUX FLS | Landline | 640 | active |
| 605-445 | MIDCONTINENT COMMUNICATIONS. - SD | MILBANK | Landline | 640 | active |
| 605-446 | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | COLTON | Landline | 640 | active |
| 605-447 | VENTURE COMMUNICATIONS COOPERATIVE | ONAKA | Landline | 640 | active |
| 605-448 | VENTURE COMMUNICATIONS COOPERATIVE | BRITTON | Landline | 640 | active |
| 605-449 | TRIOTEL COMMUNICATIONS, INC. | EMERY | Landline | 640 | active |
| 605-450 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | REDFIELD | Wireless | 640 | active |
| 605-451 | MIDCONTINENT COMMUNICATIONS. - SD | WAKONDA | Landline | 640 | active |
| 605-452 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | WOOD | Landline | 640 | active |
| 605-453 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MILLER | Wireless | 640 | active |
| 605-454 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-455 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | KYLE | Landline | 640 | active |
| 605-456 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | NEWELL | Landline | 640 | active |
| 605-457 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | CREIGHTON | Landline | 640 | active |
| 605-458 | VENTURE COMMUNICATIONS COOPERATIVE | WESSINGTON | Landline | 640 | active |
| 605-459 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | ARDMORE | Landline | 640 | active |
| 605-460 | NEW CINGULAR WIRELESS PCS, LLC - IL | REDFIELD | Wireless | 640 | active |
| 605-461 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-462 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | LONGVALLEY | Landline | 640 | active |
| 605-463 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | TABOR | Landline | 640 | active |
| 605-464 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | TYNDALL | Wireless | 640 | active |
| 605-465 | MIDCONTINENT COMMUNICATIONS. - SD | CROOKS | Landline | 640 | active |
| 605-466 | CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY | ISABEL | Landline | 640 | active |
| 605-467 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MILBANK | Wireless | 640 | active |
| 605-468 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | REDFIELD | Wireless | 640 | active |
| 605-469 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | LAKE ANDES | Wireless | 640 | active |
| 605-470 | NEW CINGULAR WIRELESS PCS, LLC - IL | BRITTON | Wireless | 640 | active |
| 605-471 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SALEM | Wireless | 640 | active |
| 605-472 | QWEST CORPORATION | REDFIELD | Landline | 640 | active |
| 605-473 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | RELIANCE | Landline | 640 | active |
| 605-474 | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD | NLARCHWOOD | Landline | 640 | active |
| 605-475 | NORTHERN VALLEY COMMUNICATIONS, LLC | REDFIELD | Landline | 640 | active |
| 605-476 | WAVENATION, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-477 | NATIVE AMERICAN TELECOM, LLC - SD | FTTHOMPSON | Landline | 640 | active |
| 605-478 | NEW CINGULAR WIRELESS PCS, LLC - IL | HIGHMORE | Wireless | 640 | active |
| 605-479 | INTERSTATE TELECOM COOP, INC. - MN | WHENDRICKS | Landline | 620 | active |
| 605-480 | NEW CINGULAR WIRELESS PCS, LLC - IL | MADISON | Wireless | 640 | active |
| 605-481 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | LAKE ANDES | Wireless | 640 | active |
| 605-482 | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | OLDHAMRMON | Landline | 640 | active |
| 605-483 | INTERSTATE TELECOM COOP, INC. - SD | WENTWORTH | Landline | 640 | active |
| 605-484 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-485 | TRIOTEL COMMUNICATIONS, INC. | WINFRED | Landline | 640 | active |
| 605-486 | VENTURE COMMUNICATIONS COOPERATIVE | ROSLYN | Landline | 640 | active |
| 605-487 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | LAKE ANDES | Landline | 640 | active |
| 605-488 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | KADOKA | Wireless | 640 | active |
| 605-489 | INTERSTATE TELECOM COOP, INC. - SD | CHESTER | Landline | 640 | active |
| 605-490 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | STURGIS | Wireless | 640 | active |
| 605-491 | NEW CINGULAR WIRELESS PCS, LLC - IL | LAKE ANDES | Wireless | 640 | active |
| 605-492 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | BRISTOL | Landline | 640 | active |
| 605-493 | VENTURE COMMUNICATIONS COOPERATIVE | LANGFORD | Landline | 640 | active |
| 605-494 | MIDCONTINENT COMMUNICATIONS. - SD | PIERRE | Landline | 640 | active |
| 605-495 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | FORESTBURG | Landline | 640 | active |
| 605-496 | ONVOY, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-497 | MIDCONTINENT COMMUNICATIONS. - SD | WOLSEY | Landline | 640 | active |
| 605-498 | CLARITY TELECOM, LLC DBA BLUEPEAK | HARISBGTEA | Landline | 640 | active |
| 605-499 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | STURGIS | Wireless | 640 | active |
| 605-500 | NEW CINGULAR WIRELESS PCS, LLC - IL | YANKTON | Wireless | 640 | active |
| 605-501 | WIDE VOICE, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-502 | TELNYX LLC | PIERRE | VoIP | 640 | active |
| 605-503 | BOOST SUBSCRIBERCO L.L.C. | RAPID CITY | Wireless | 640 | active |
| 605-504 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-505 | NEW CINGULAR WIRELESS PCS, LLC - IL | PARKSTON | Wireless | 640 | active |
| 605-506 | BOOST SUBSCRIBERCO L.L.C. | WORTHING | Wireless | 640 | active |
| 605-507 | Landline | active | |||
| 605-508 | AERIAL COMMUNICATIONS, INC. | RAPID CITY | Landline | active | |
| 605-509 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-510 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-512 | BOOST SUBSCRIBERCO L.L.C. | NEWUNDERWD | Wireless | 640 | active |
| 605-513 | NUSO, LLC | RAPID CITY | VoIP | 640 | active |
| 605-514 | NATIVE WIRELESS, LLC | HURON | Wireless | 640 | active |
| 605-515 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WALL | Wireless | 640 | active |
| 605-516 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MURDO | Wireless | 640 | active |
| 605-517 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | CUSTER | Wireless | 640 | active |
| 605-518 | COMCAST IP PHONE, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-519 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | RAPID CITY | Wireless | 640 | active |
| 605-520 | NEW CINGULAR WIRELESS PCS, LLC - IL | WATERTOWN | Wireless | 640 | active |
| 605-521 | AERIAL COMMUNICATIONS, INC. | SIOUX FLS | Wireless | 640 | active |
| 605-522 | METROPCS, INC. | YANKTON | Wireless | 640 | active |
| 605-523 | TRIOTEL COMMUNICATIONS, INC. | CANOVA | Landline | 640 | active |
| 605-524 | QWEST CORPORATION | MCINTOSH | Landline | 640 | active |
| 605-525 | VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM | LK PRESTON | Landline | 640 | active |
| 605-526 | UNION TEL. CO. DBA GOLDEN WEST TELECOMMUNICATIONS | WALL LAKE | Landline | 640 | active |
| 605-527 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | ARTESIAN | Landline | 640 | active |
| 605-528 | UNION TEL. CO. DBA GOLDEN WEST TELECOMMUNICATIONS | HARTFORD | Landline | 640 | active |
| 605-529 | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | BALTIC | Landline | 640 | active |
| 605-530 | NEW CINGULAR WIRELESS PCS, LLC - IL | FLANDREAU | Wireless | 640 | active |
| 605-531 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | FLANDREAU | Wireless | 640 | active |
| 605-532 | INTERSTATE TELECOM COOP, INC. - SD | CLARK | Landline | 640 | active |
| 605-533 | RED RIVER RURAL TEL ASSN DBA RED RIVER COMM - ND | SOLIDGERWD | Landline | 636 | active |
| 605-534 | QWEST CORPORATION | FLANDREAU | Landline | 640 | active |
| 605-535 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | OELRICHS | Landline | 640 | active |
| 605-536 | Landline | active | |||
| 605-537 | VENTURE COMMUNICATIONS COOPERATIVE | ROSHOLT | Landline | 640 | active |
| 605-538 | CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY | DUPREE | Landline | 640 | active |
| 605-539 | VENTURE COMMUNICATIONS COOPERATIVE | WESIGTNSPG | Landline | 640 | active |
| 605-540 | LEVEL 3 COMMUNICATIONS, LLC - SD | NOSIOUX CY | Landline | 630 | active |
| 605-541 | MIDCONTINENT COMMUNICATIONS. - SD | BIGSTONECY | Landline | 626 | active |
| 605-542 | INTERSTATE TELECOM COOP, INC. - SD | ELKTON | Landline | 640 | active |
| 605-543 | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | CROOKS | Landline | 640 | active |
| 605-544 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | MILESVILLE | Landline | 640 | active |
| 605-545 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-546 | QWEST CORPORATION | IROQUOIS | Landline | 640 | active |
| 605-547 | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | W HAWARDEN | Landline | 630 | active |
| 605-548 | MIDCONTINENT COMMUNICATIONS. - SD | BALTIC | Landline | 640 | active |
| 605-549 | BANDWIDTH.COM CLEC, LLC - SD | SPEARFISH | VoIP | 640 | active |
| 605-550 | LEVEL 3 COMMUNICATIONS, LLC - SD | MITCHELL | Landline | 640 | active |
| 605-551 | NEW CINGULAR WIRELESS PCS, LLC - IL | BRITTON | Wireless | 640 | active |
| 605-552 | CLARITY TELECOM, LLC DBA BLUEPEAK | CENTERVL | Landline | 640 | active |
| 605-553 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | SIOUX FLS | Landline | 640 | active |
| 605-554 | MIDCONTINENT COMMUNICATIONS. - SD | HURON | Landline | 640 | active |
| 605-556 | MIDCONTINENT COMMUNICATIONS. - SD | MADISON | Landline | 640 | active |
| 605-557 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | CLEARFIELD | Landline | 640 | active |
| 605-558 | MIDCONTINENT COMMUNICATIONS. - SD | CANTON | Landline | 640 | active |
| 605-559 | MIDCONTINENT COMMUNICATIONS. - SD | SPEARFISH | Landline | 640 | active |
| 605-560 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | BROOKINGSR | VoIP | 640 | active |
| 605-561 | MIDCONTINENT COMMUNICATIONS. - SD | STURGIS | Landline | 640 | active |
| 605-562 | NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | PINE RIDGE | Landline | 640 | active |
| 605-563 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | CENTERVL | Landline | 640 | active |
| 605-564 | CONSOLIDATED TELCOM | SOHETTINGR | Landline | 638 | active |
| 605-565 | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | WEST AKRON | Landline | 630 | active |
| 605-566 | ONVOY, LLC - SD | SPEARFISH | Landline | 640 | active |
| 605-567 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | HAYES | Landline | 640 | active |
| 605-568 | MIDCONTINENT COMMUNICATIONS. - SD | BELLEFORCH | Landline | 640 | active |
| 605-569 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | BELLEFORCH | Wireless | 640 | active |
| 605-570 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-571 | MIDCONTINENT COMMUNICATIONS. - SD | SPEARFISH | Landline | 640 | active |
| 605-572 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ARMOUR | Wireless | 640 | active |
| 605-573 | CLARITY TELECOM, LLC DBA BLUEPEAK | FLANDREAU | Landline | 640 | active |
| 605-574 | QWEST CORPORATION | HILL CITY | Landline | 640 | active |
| 605-575 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-576 | CONSOLIDATED TELCOM | SOUTH LADD | Landline | 638 | active |
| 605-577 | VALLEY TELECOM COOP. ASSN., INC. | LONG LAKE | Landline | 640 | active |
| 605-578 | QWEST CORPORATION | SPEARFISH | Landline | 640 | active |
| 605-579 | NEW CINGULAR WIRELESS PCS, LLC - IL | HOWARD | Wireless | 640 | active |
| 605-580 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SPEARFISH | Wireless | 640 | active |
| 605-581 | NEW CINGULAR WIRELESS PCS, LLC - IL | MOBRIDGE | Wireless | 640 | active |
| 605-582 | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | BRANDON | Landline | 640 | active |
| 605-583 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | SCOTLAND | Landline | 640 | active |
| 605-584 | QWEST CORPORATION | SPEARFISH | Landline | 640 | active |
| 605-585 | T-MOBILE USA, INC. | NOSIOUX CY | Wireless | 630 | active |
| 605-586 | INTERSTATE TELECOM COOP, INC. - SD | NUNDA | Landline | 640 | active |
| 605-587 | NORTHEAST NEBRASKA TEL. CO. | NO BRISTOW | Landline | 644 | active |
| 605-588 | MIDCONTINENT COMMUNICATIONS. - SD | WEBSTER | Landline | 640 | active |
| 605-589 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | TYNDALL | Landline | 640 | active |
| 605-590 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WEBSTER | Wireless | 640 | active |
| 605-591 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SPEARFISH | Wireless | 640 | active |
| 605-592 | NEW CINGULAR WIRELESS PCS, LLC - IL | BROOKINGS | Wireless | 640 | active |
| 605-593 | LEVEL 3 COMMUNICATIONS, LLC - SD | RAPID CITY | Landline | 640 | active |
| 605-594 | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | GARRETSON | Landline | 640 | active |
| 605-595 | AT&T - LOCAL | SIOUX FLS | Landline | 640 | active |
| 605-596 | VENTURE COMMUNICATIONS COOPERATIVE | TULARE | Landline | 640 | active |
| 605-597 | QWEST CORPORATION | MITCHELL | Landline | 640 | active |
| 605-598 | VENTURE COMMUNICATIONS COOPERATIVE | FAULKTON | Landline | 640 | active |
| 605-599 | QWEST CORPORATION | CAVOUR | Landline | 640 | active |
| 605-600 | FRACTEL, LLC | RAPID CITY | VoIP | 640 | active |
| 605-601 | TWILIO INTERNATIONAL, INC. | SIOUX FLS | VoIP | 640 | active |
| 605-602 | AERIAL COMMUNICATIONS, INC. | WATERTOWN | Wireless | 640 | active |
| 605-603 | BANDWIDTH.COM CLEC, LLC - SD | RAPID CITY | Landline | active | |
| 605-604 | MIDCO VOICE, LLC | BRANDON | VoIP | 640 | active |
| 605-605 | ONVOY, LLC - SD | ABERDEEN | Landline | 640 | active |
| 605-606 | ONVOY SPECTRUM, LLC | SIOUX FLS | Wireless | 640 | active |
| 605-607 | HD CARRIER LLC | SIOUX FLS | VoIP | 640 | active |
| 605-608 | HD CARRIER LLC | RAPID CITY | VoIP | 640 | active |
| 605-609 | LEVEL 3 COMMUNICATIONS, LLC - SD | PIERRE | Landline | 640 | active |
| 605-610 | LEVEL 3 COMMUNICATIONS, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-612 | Landline | active | |||
| 605-613 | NEW CINGULAR WIRELESS PCS, LLC - IL | PLATTE | Wireless | 640 | active |
| 605-614 | AT&T - LOCAL | ARLINGTON | Landline | active | |
| 605-615 | NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | PINE RIDGE | Landline | 640 | active |
| 605-616 | ONVOY SPECTRUM, LLC | CANTON | Wireless | 640 | active |
| 605-617 | Landline | active | |||
| 605-618 | Landline | active | |||
| 605-619 | Landline | active | |||
| 605-620 | ONVOY, LLC - SD | LK PRESTON | Landline | 640 | active |
| 605-621 | INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. | MADISON | Landline | 640 | active |
| 605-622 | QWEST CORPORATION | ABERDEEN | Landline | 640 | active |
| 605-623 | INTERSTATE TELECOM COOP, INC. - SD | REVILLO | Landline | 640 | active |
| 605-624 | QWEST CORPORATION | VERMILLION | Landline | 640 | active |
| 605-625 | INTERSTATE TELECOM COOP, INC. - SD | BRYNTWLWLK | Landline | 640 | active |
| 605-626 | QWEST CORPORATION | ABERDEEN | Landline | 640 | active |
| 605-627 | QWEST CORPORATION | VOLGA | Landline | 640 | active |
| 605-628 | INTERSTATE TELECOM COOP, INC. - SD | BRYNTWLWLK | Landline | 640 | active |
| 605-629 | INTERSTATE TELECOM COOP, INC. - SD | WHITE | Landline | 640 | active |
| 605-630 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MITCHELL | Wireless | 640 | active |
| 605-631 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SPEARFISH | Wireless | 640 | active |
| 605-632 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | LK PRESTON | VoIP | 640 | active |
| 605-633 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | FLANDREAU | Wireless | 640 | active |
| 605-634 | TON80 COMMUNICATIONS, LLC | CAVOUR | VoIP | 640 | active |
| 605-635 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | DOLAND | Landline | 640 | active |
| 605-636 | QWEST CORPORATION | MADISON | Landline | 640 | active |
| 605-637 | RC TECHNOLOGIES | NEWEFFNGTN | Landline | 640 | active |
| 605-638 | QWEST CORPORATION | VERMILLION | Landline | 640 | active |
| 605-639 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SPEARFISH | Wireless | 640 | active |
| 605-640 | AIRUS, INC. - SD | MCINTOSH | Landline | 640 | active |
| 605-641 | NEW CINGULAR WIRELESS PCS, LLC - IL | SPEARFISH | Wireless | 640 | active |
| 605-642 | QWEST CORPORATION | SPEARFISH | Landline | 640 | active |
| 605-643 | MIDCONTINENT COMMUNICATIONS. - SD | SELBY | Landline | 640 | active |
| 605-644 | QWEST CORPORATION | SPEARFISH | Landline | 640 | active |
| 605-645 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SPEARFISH | Wireless | 640 | active |
| 605-646 | BANDWIDTH.COM CLEC, LLC - SD | RAPID CITY | VoIP | 640 | active |
| 605-647 | CLARITY TELECOM, LLC DBA BLUEPEAK | LENNOX | Landline | 640 | active |
| 605-648 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | MARION | Landline | 640 | active |
| 605-649 | VENTURE COMMUNICATIONS COOPERATIVE | SELBY | Landline | 640 | active |
| 605-650 | EXIANT COMMUNICATIONS LLC | SIOUX FLS | VoIP | 640 | active |
| 605-651 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | BROOKINGS | Wireless | 640 | active |
| 605-652 | RC TECHNOLOGIES | CLAIRECITY | Landline | 640 | active |
| 605-653 | BANDWIDTH.COM CLEC, LLC - SD | YANKTON | VoIP | 640 | active |
| 605-654 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | BONESTEEL | Landline | 640 | active |
| 605-655 | QWEST CORPORATION | YANKTON | Landline | 640 | active |
| 605-656 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MITCHELL | Wireless | 640 | active |
| 605-657 | ONVOY, LLC - SD | WATERTOWN | Landline | 640 | active |
| 605-658 | MIDCONTINENT COMMUNICATIONS. - SD | VERMILLION | Landline | 640 | active |
| 605-659 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | VERMILLION | Wireless | 640 | active |
| 605-660 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | YANKTON | Wireless | 640 | active |
| 605-661 | NEW CINGULAR WIRELESS PCS, LLC - IL | YANKTON | Wireless | 640 | active |
| 605-662 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | EDGEMONT | Landline | 640 | active |
| 605-663 | AIRUS, INC. - SD | HURON | Landline | 640 | active |
| 605-664 | CLARITY TELECOM, LLC DBA BLUEPEAK | YANKTON | Landline | 640 | active |
| 605-665 | QWEST CORPORATION | YANKTON | Landline | 640 | active |
| 605-666 | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | KEYSTONE | Landline | 640 | active |
| 605-667 | FRACTEL, LLC | HARISBGTEA | VoIP | 640 | active |
| 605-668 | QWEST CORPORATION | YANKTON | Landline | 640 | active |
| 605-669 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | MURDO | Landline | 640 | active |
| 605-670 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | VERMILLION | Wireless | 640 | active |
| 605-671 | AERIAL COMMUNICATIONS, INC. | COLTON | Wireless | 640 | active |
| 605-672 | CLARITY TELECOM, LLC DBA BLUEPEAK | VERMILLION | Landline | 640 | active |
| 605-673 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | CUSTER | Landline | 640 | active |
| 605-674 | ONVOY, LLC - SD | BIGSTONECY | Landline | 626 | active |
| 605-675 | AERIAL COMMUNICATIONS, INC. | VERMILLION | Wireless | 640 | active |
| 605-676 | INTERSTATE TELECOM COOP, INC. - SD | STOCKHOLM | Landline | 640 | active |
| 605-677 | QWEST CORPORATION | VERMILLION | Landline | 640 | active |
| 605-678 | FARMERS MUTUAL TEL. CO. | W MARIETTA | Landline | 626 | active |
| 605-679 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-680 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | KIMBALL | Wireless | 640 | active |
| 605-681 | NUSO, LLC | SIOUX FLS | Wireless | 640 | active |
| 605-682 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | KIMBALL | Wireless | 640 | active |
| 605-683 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | VIVIAN | Landline | 640 | active |
| 605-684 | CLARITY TELECOM, LLC DBA BLUEPEAK | FLANDREAU | Landline | 640 | active |
| 605-685 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | MARTIN | Landline | 640 | active |
| 605-686 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | ESTELLINE | VoIP | 640 | active |
| 605-687 | DICKEY RURAL TEL. COOP. | SOVENTURIA | Landline | 638 | active |
| 605-688 | CITY OF BROOKINGS MUNICIPAL TEL. DEPT. | BROOKINGS | Landline | 640 | active |
| 605-689 | MIDCONTINENT COMMUNICATIONS. - SD | YANKTON | Landline | 640 | active |
| 605-690 | NEW CINGULAR WIRELESS PCS, LLC - IL | BROOKINGS | Wireless | 640 | active |
| 605-691 | AERIAL COMMUNICATIONS, INC. | BROOKINGS | Wireless | 640 | active |
| 605-692 | CITY OF BROOKINGS MUNICIPAL TEL. DEPT. | BROOKINGS | Landline | 640 | active |
| 605-693 | INTERSTATE TELECOM COOP, INC. - SD | BROOKINGSR | Landline | 640 | active |
| 605-694 | VALLEY TEL. CO. | WBROWNSVLY | Landline | 626 | active |
| 605-695 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | BROOKINGS | Wireless | 640 | active |
| 605-696 | CITY OF BROOKINGS MUNICIPAL TEL. DEPT. | BROOKINGS | Landline | 640 | active |
| 605-697 | CITY OF BROOKINGS MUNICIPAL TEL. DEPT. | BROOKINGS | Landline | 640 | active |
| 605-698 | VENTURE COMMUNICATIONS COOPERATIVE | SISSETON | Landline | 640 | active |
| 605-699 | BANDWIDTH.COM CLEC, LLC - SD | BELLEFORCH | VoIP | 640 | active |
| 605-701 | RINGER MOBILE, INC. | FLANDREAU | Wireless | 640 | active |
| 605-702 | ONVOY, LLC - SD | STURGIS | Landline | 640 | active |
| 605-703 | Landline | active | |||
| 605-704 | Landline | active | |||
| 605-705 | COMMIO, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-706 | Landline | active | |||
| 605-707 | Landline | active | |||
| 605-708 | Landline | active | |||
| 605-709 | STRATUS NETWORKS | HARISBGTEA | VoIP | 640 | active |
| 605-710 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | LAKENORDEN | VoIP | 640 | active |
| 605-712 | Landline | active | |||
| 605-713 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ABERDEEN | Wireless | 640 | active |
| 605-714 | Landline | active | |||
| 605-715 | JAMES VALLEY WIRELESS, LLC | ABERDEEN | Wireless | 640 | active |
| 605-716 | CLARITY TELECOM, LLC DBA BLUEPEAK | RAPID CITY | Landline | 640 | active |
| 605-717 | CLARITY TELECOM, LLC DBA BLUEPEAK | SPEARFISH | Landline | 640 | active |
| 605-718 | CLARITY TELECOM, LLC DBA BLUEPEAK | RAPID CITY | Landline | 640 | active |
| 605-719 | CLARITY TELECOM, LLC DBA BLUEPEAK | RAPID CITY | Landline | 640 | active |
| 605-720 | CLARITY TELECOM, LLC DBA BLUEPEAK | STURGIS | Landline | 640 | active |
| 605-721 | CLARITY TELECOM, LLC DBA BLUEPEAK | RAPID CITY | Landline | 640 | active |
| 605-722 | CLARITY TELECOM, LLC DBA BLUEPEAK | SPEARFISH | Landline | 640 | active |
| 605-723 | CLARITY TELECOM, LLC DBA BLUEPEAK | BELLEFORCH | Landline | 640 | active |
| 605-724 | ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | ARMOUR | Landline | 640 | active |
| 605-725 | NORTHERN VALLEY COMMUNICATIONS, LLC | ABERDEEN | Landline | 640 | active |
| 605-726 | MIDSTATE COMMUNICATIONS, INC. | ACADEMY | Landline | 640 | active |
| 605-727 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-728 | AERIAL COMMUNICATIONS, INC. | SIOUX FLS | Wireless | 640 | active |
| 605-729 | ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | BRIDGEWTR | Landline | 640 | active |
| 605-730 | NEW CINGULAR WIRELESS PCS, LLC - IL | CHAMBERLAN | Wireless | 640 | active |
| 605-731 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-732 | MIDSTATE COMMUNICATIONS, INC. | STICKNEY | Landline | 640 | active |
| 605-733 | CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY | LAPLANT | Landline | 640 | active |
| 605-734 | QWEST CORPORATION | CHAMBERLAN | Landline | 640 | active |
| 605-735 | DICKEY RURAL TEL. COOP. | SO FORMAN | Landline | 636 | active |
| 605-736 | AERIAL COMMUNICATIONS, INC. | BROOKINGS | Wireless | 640 | active |
| 605-737 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-738 | RC TECHNOLOGIES | VEBLEN | Landline | 640 | active |
| 605-739 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | FAITH | Landline | 640 | active |
| 605-740 | CENTURYLINK COMMUNICATIONS, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-741 | PAETEC ITEL, LLC | VERMILLION | VoIP | 640 | active |
| 605-742 | VENTURE COMMUNICATIONS COOPERATIVE | SISSETON | Landline | 640 | active |
| 605-743 | QWEST CORPORATION | HARISBGTEA | Landline | 640 | active |
| 605-744 | NEW CINGULAR WIRELESS PCS, LLC - IL | LENNOX | Wireless | 640 | active |
| 605-745 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | HOTSPRINGS | Landline | 640 | active |
| 605-746 | TON80 COMMUNICATIONS, LLC | PLATTE | VoIP | 640 | active |
| 605-747 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | ROSEBUD | Landline | 640 | active |
| 605-748 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | MAURINE | Landline | 640 | active |
| 605-749 | RT COMMUNICATIONS | ENEWCASTLE | Landline | 654 | active |
| 605-750 | NEW CINGULAR WIRELESS PCS, LLC - IL | LENNOX | Wireless | 640 | active |
| 605-751 | METROPCS, INC. | BERESFORD | Wireless | 640 | active |
| 605-752 | TON80 COMMUNICATIONS, LLC | FTTHOMPSON | VoIP | 640 | active |
| 605-753 | CLARITY TELECOM, LLC DBA BLUEPEAK | WATERTOWN | Landline | 640 | active |
| 605-754 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | NEWUNDERWD | Landline | 640 | active |
| 605-755 | CLARITY TELECOM, LLC DBA BLUEPEAK | RAPID CITY | Landline | 640 | active |
| 605-756 | INTERSTATE TELECOM COOP, INC. - SD | SOUTHSHORE | Landline | 640 | active |
| 605-757 | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD | VALLEY SPG | Landline | 640 | active |
| 605-758 | INTERSTATE TELECOM COOP, INC. - SD | FLORENCE | Landline | 640 | active |
| 605-759 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Landline | 640 | active |
| 605-760 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | YANKTON | Wireless | 640 | active |
| 605-761 | CLARITY TELECOM, LLC DBA BLUEPEAK | ELK POINT | Landline | 640 | active |
| 605-762 | VALLEY TELECOM COOP. ASSN., INC. | GLENHAM | Landline | 640 | active |
| 605-763 | BERESFORD MUNICIPAL TEL. CO. | BERESFORD | Landline | 640 | active |
| 605-764 | CLARITY TELECOM, LLC DBA BLUEPEAK | CANTON | Landline | 640 | active |
| 605-765 | VENTURE COMMUNICATIONS COOPERATIVE | GETTYSBURG | Landline | 640 | active |
| 605-766 | CLARITY TELECOM, LLC DBA BLUEPEAK | VIBORG | Landline | 640 | active |
| 605-767 | CLARITY TELECOM, LLC DBA BLUEPEAK | HARISBGTEA | Landline | 640 | active |
| 605-768 | VENTURE COMMUNICATIONS COOPERATIVE | LEBANON | Landline | 640 | active |
| 605-769 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | GETTYSBURG | Wireless | 640 | active |
| 605-770 | NEW CINGULAR WIRELESS PCS, LLC - IL | MITCHELL | Wireless | 640 | active |
| 605-771 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | GETTYSBURG | Wireless | 640 | active |
| 605-772 | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | HOWARD | Landline | 640 | active |
| 605-773 | QWEST CORPORATION | PIERRE | Landline | 640 | active |
| 605-774 | EDGETEL, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-775 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | BURKE | Landline | 640 | active |
| 605-776 | QWEST CORPORATION | PIERRE | Landline | 640 | active |
| 605-777 | BANDWIDTH.COM CLEC, LLC - SD | HARISBGTEA | VoIP | 640 | active |
| 605-778 | MIDSTATE COMMUNICATIONS, INC. | KIMBALL | Landline | 640 | active |
| 605-779 | MIDSTATE COMMUNICATIONS, INC. | DELMONT | Landline | 640 | active |
| 605-780 | LONG LINES METRO, LLC - SD | NOSIOUX CY | Landline | 630 | active |
| 605-781 | NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | KYLE | Landline | 640 | active |
| 605-782 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-783 | INTERSTATE TELECOM COOP, INC. - SD | HAYTI | Landline | 640 | active |
| 605-784 | INTERSTATE TELECOM COOP, INC. - SD | BRADLEY | Landline | 640 | active |
| 605-785 | INTERSTATE TELECOM COOP, INC. - SD | LAKENORDEN | Landline | 640 | active |
| 605-786 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-787 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-788 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | MEADOW | Landline | 640 | active |
| 605-789 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-790 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Landline | active | |
| 605-791 | MIDCONTINENT COMMUNICATIONS. - SD | RAPID CITY | Landline | 640 | active |
| 605-792 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | HAYTI | VoIP | 640 | active |
| 605-793 | INTERSTATE TELECOM COOP, INC. - SD | CASTLEWOOD | Landline | 640 | active |
| 605-794 | INTERSTATE TELECOM COOP, INC. - SD | TORONTO | Landline | 640 | active |
| 605-795 | INTERSTATE TELECOM COOP, INC. - SD | GOODWIN | Landline | 640 | active |
| 605-796 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | WOONSOCKET | Landline | 640 | active |
| 605-797 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | CAMP CROOK | Landline | 640 | active |
| 605-798 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | WICKSVILLE | Landline | 640 | active |
| 605-799 | AIRUS, INC. - SD | SIOUX FLS | Landline | 640 | active |
| 605-800 | TERRA NOVA TELECOM INC. | SIOUX FLS | VoIP | 640 | active |
| 605-801 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | BELLEFORCH | Wireless | 640 | active |
| 605-802 | Landline | active | |||
| 605-803 | Landline | active | |||
| 605-804 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | CASTLEWOOD | Wireless | 640 | active |
| 605-805 | METROPCS, INC. | PIERRE | Wireless | 640 | active |
| 605-806 | Landline | active | |||
| 605-807 | Landline | active | |||
| 605-808 | ONVOY, LLC - SD | REDFIELD | Landline | 640 | active |
| 605-809 | NUSO, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-810 | Landline | active | |||
| 605-812 | BOOST SUBSCRIBERCO L.L.C. | SIOUX FLS | Wireless | 640 | active |
| 605-813 | Landline | active | |||
| 605-814 | Landline | active | |||
| 605-815 | AIRUS, INC. - SD | CHAMBERLAN | Landline | 640 | active |
| 605-816 | Landline | active | |||
| 605-817 | Landline | active | |||
| 605-818 | RC COMMUNICATIONS, INC. - SD | WATERTOWN | Landline | 640 | active |
| 605-819 | Landline | active | |||
| 605-820 | COMMIO, LLC | HURON | VoIP | 640 | active |
| 605-821 | NEW CINGULAR WIRELESS PCS, LLC - IL | DUPREE | Wireless | 640 | active |
| 605-822 | GREAT PLAINS COMMUNICATIONS, INC. | NORTH CODY | Landline | 644 | active |
| 605-823 | WEST RIVER TELECOMMUNICATIONS COOP. - SD | MOBRIDGE | Landline | 640 | active |
| 605-824 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ABERDEEN | Wireless | 640 | active |
| 605-825 | TRIOTEL COMMUNICATIONS, INC. | CLAYTON | Landline | 640 | active |
| 605-826 | INTERSTATE TELECOM COOP, INC. - SD | SINAI | Landline | 640 | active |
| 605-827 | VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM | VOLGA | Landline | 640 | active |
| 605-828 | NEW CINGULAR WIRELESS PCS, LLC - IL | MISSION | Wireless | 640 | active |
| 605-829 | Landline | active | |||
| 605-830 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | GREGORY | Wireless | 640 | active |
| 605-831 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | GREGORY | Wireless | 640 | active |
| 605-832 | INTERSTATE TELECOM COOP, INC. - SD | ASTORIA | Landline | 640 | active |
| 605-833 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | BUFFALOGAP | Landline | 640 | active |
| 605-834 | THREE RIVER TELCO | NORTHNAPER | Landline | 644 | active |
| 605-835 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | GREGORY | Landline | 640 | active |
| 605-836 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CANTON | Landline | 640 | active |
| 605-837 | KADOKA TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | KADOKA | Landline | 640 | active |
| 605-838 | ONVOY, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-839 | NEW CINGULAR WIRELESS PCS, LLC - IL | BRANDON | Wireless | 640 | active |
| 605-840 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WINNER | Wireless | 640 | active |
| 605-841 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WINNER | Wireless | 640 | active |
| 605-842 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | WINNER | Landline | 640 | active |
| 605-843 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | MIDLAND | Landline | 640 | active |
| 605-844 | NEW CINGULAR WIRELESS PCS, LLC - IL | CLARK | Wireless | 640 | active |
| 605-845 | WEST RIVER TELECOMMUNICATIONS COOP (MOBRIDGE) - SD | MOBRIDGE | Landline | 640 | active |
| 605-846 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ABERDEEN | Wireless | 640 | active |
| 605-847 | QWEST CORPORATION | LK PRESTON | Landline | 640 | active |
| 605-848 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | GLENHAM | Wireless | 640 | active |
| 605-849 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | ALPENA | Landline | 640 | active |
| 605-850 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | GLENHAM | Wireless | 640 | active |
| 605-851 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HOWARD | Wireless | 640 | active |
| 605-852 | VENTURE COMMUNICATIONS COOPERATIVE | HIGHMORE | Landline | 640 | active |
| 605-853 | QWEST CORPORATION | MILLER | Landline | 640 | active |
| 605-854 | QWEST CORPORATION | DE SMET | Landline | 640 | active |
| 605-855 | CONSOLIDATED TELCOM | SO REEDER | Landline | 638 | active |
| 605-856 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | MISSION | Landline | 640 | active |
| 605-857 | NEW CINGULAR WIRELESS PCS, LLC - IL | YANKTON | Wireless | 640 | active |
| 605-858 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-859 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | PHILIP | Landline | 640 | active |
| 605-860 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | DE SMET | Wireless | 640 | active |
| 605-861 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | DE SMET | Wireless | 640 | active |
| 605-862 | QWEST CORPORATION | BIGSTONECY | Landline | 626 | active |
| 605-863 | NEW CINGULAR WIRELESS PCS, LLC - IL | RAPID CITY | Wireless | 640 | active |
| 605-864 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | FLANDREAU | Wireless | 640 | active |
| 605-865 | QWEST CORPORATION | TIMBERLAKE | Landline | 640 | active |
| 605-866 | WEST RIVER COOPERATIVE TELEPHONE COMPANY | SORUM | Landline | 640 | active |
| 605-867 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | PINE RIDGE | Landline | 640 | active |
| 605-868 | AERIAL COMMUNICATIONS, INC. | WATERTOWN | Wireless | 640 | active |
| 605-869 | KENNEBEC TEL. CO. | KENNEBEC | Landline | 640 | active |
| 605-870 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HIGHMORE | Wireless | 640 | active |
| 605-871 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HIGHMORE | Wireless | 640 | active |
| 605-872 | AERIAL COMMUNICATIONS, INC. | RAPID CITY | Wireless | 640 | active |
| 605-873 | INTERSTATE TELECOM COOP, INC. - SD | ESTELLINE | Landline | 640 | active |
| 605-874 | INTERSTATE TELECOM COOP, INC. - SD | CLEAR LAKE | Landline | 640 | active |
| 605-875 | VENTURE COMMUNICATIONS COOPERATIVE | HARROLD | Landline | 640 | active |
| 605-876 | INTERSTATE TELECOM COOP, INC. - SD | BRANDT | Landline | 640 | active |
| 605-877 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-878 | MIDCONTINENT COMMUNICATIONS. - SD | WATERTOWN | Landline | 640 | active |
| 605-879 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | WITTEN | Landline | 640 | active |
| 605-880 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WATERTOWN | Wireless | 640 | active |
| 605-881 | NEW CINGULAR WIRELESS PCS, LLC - IL | WATERTOWN | Wireless | 640 | active |
| 605-882 | QWEST CORPORATION | WATERTOWN | Landline | 640 | active |
| 605-883 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | WOLSEY | Landline | 640 | active |
| 605-884 | QWEST CORPORATION | WATERTOWN | Landline | 640 | active |
| 605-885 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | HOUGHTON | Landline | 640 | active |
| 605-886 | QWEST CORPORATION | WATERTOWN | Landline | 640 | active |
| 605-887 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | MELLETTE | Landline | 640 | active |
| 605-888 | ONVOY, LLC - SD | CHAMBERLAN | Landline | 640 | active |
| 605-889 | VALLEY TELECOM COOP. ASSN., INC. | POLLOCK | Landline | 640 | active |
| 605-890 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HOTSPRINGS | Wireless | 640 | active |
| 605-891 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HOTSPRINGS | Wireless | 640 | active |
| 605-892 | QWEST CORPORATION | BELLEFORCH | Landline | 640 | active |
| 605-893 | MIDCONTINENT COMMUNICATIONS. - SD | MILLER | Landline | 640 | active |
| 605-894 | MIDSTATE COMMUNICATIONS, INC. | PUKWANA | Landline | 640 | active |
| 605-895 | KENNEBEC TEL. CO. | PRESHO | Landline | 640 | active |
| 605-896 | Landline | active | |||
| 605-897 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | TURTON | Landline | 640 | active |
| 605-898 | TON80 COMMUNICATIONS, LLC | IROQUOIS | VoIP | 640 | active |
| 605-899 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-900 | FRACTEL, LLC | SIOUX FLS | VoIP | 640 | active |
| 605-901 | Landline | active | |||
| 605-902 | BANDWIDTH.COM CLEC, LLC - SD | WATERTOWN | VoIP | 640 | active |
| 605-903 | Landline | active | |||
| 605-904 | Landline | active | |||
| 605-905 | ONVOY, LLC - SD | STURGIS | Landline | 640 | active |
| 605-906 | TELEPORT COMMUNICATIONS AMERICA SD-LLC | SIOUX FLS | Landline | 640 | active |
| 605-907 | Landline | active | |||
| 605-908 | Landline | active | |||
| 605-909 | TON80 COMMUNICATIONS, LLC | HILL CITY | VoIP | 640 | active |
| 605-910 | ONVOY, LLC - SD | SIOUX FLS | Landline | 640 | active |
| 605-912 | Landline | active | |||
| 605-913 | Landline | active | |||
| 605-914 | Landline | active | |||
| 605-915 | Landline | active | |||
| 605-916 | Landline | active | |||
| 605-917 | Landline | active | |||
| 605-918 | Landline | active | |||
| 605-919 | Landline | active | |||
| 605-920 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SPEARFISH | Wireless | 640 | active |
| 605-921 | Landline | active | |||
| 605-922 | MCC TELEPHONY OF THE MID-WEST, LLC - SD | ELKTON | VoIP | 640 | active |
| 605-923 | QWEST CORPORATION | RAPID CITY | Landline | 640 | active |
| 605-924 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MILBANK | Wireless | 640 | active |
| 605-925 | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | FREEMAN | Landline | 640 | active |
| 605-926 | NEW CINGULAR WIRELESS PCS, LLC - IL | MOBRIDGE | Wireless | 640 | active |
| 605-927 | NEW CINGULAR WIRELESS PCS, LLC - IL | SISSETON | Wireless | 640 | active |
| 605-928 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | PARKSTON | Landline | 640 | active |
| 605-929 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | SIOUX FLS | Wireless | 640 | active |
| 605-930 | CENTURYLINK COMMUNICATIONS, LLC | VOLGA | VoIP | 640 | active |
| 605-931 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-932 | RC TECHNOLOGIES | PEEVER | Landline | 640 | active |
| 605-933 | NEW CINGULAR WIRELESS PCS, LLC - IL | MITCHELL | Wireless | 640 | active |
| 605-934 | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | ALCESTER | Landline | 640 | active |
| 605-935 | SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD | TRIPP | Landline | 640 | active |
| 605-936 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-937 | BANDWIDTH.COM CLEC, LLC - SD | SIOUX FLS | VoIP | 640 | active |
| 605-938 | RC TECHNOLOGIES | WILMOT | Landline | 640 | active |
| 605-939 | AT&T - LOCAL | RAPID CITY | Landline | 640 | active |
| 605-940 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-941 | NEW CINGULAR WIRELESS PCS, LLC - IL | SIOUX FLS | Wireless | 640 | active |
| 605-942 | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | PLANKINTON | Landline | 640 | active |
| 605-943 | VENTURE COMMUNICATIONS COOPERATIVE | REEHEIGHTS | Landline | 640 | active |
| 605-944 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-945 | QWEST CORPORATION | PIERRE | Landline | 640 | active |
| 605-946 | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | CORSICA | Landline | 640 | active |
| 605-947 | INTERSTATE TELECOM COOP, INC. - SD | WAUBAY | Landline | 640 | active |
| 605-948 | VENTURE COMMUNICATIONS COOPERATIVE | HOVEN | Landline | 640 | active |
| 605-949 | NEW CINGULAR WIRELESS PCS, LLC - IL | MILBANK | Wireless | 640 | active |
| 605-951 | BANDWIDTH.COM CLEC, LLC - SD | SIOUX FLS | VoIP | 640 | active |
| 605-952 | BANDWIDTH.COM CLEC, LLC - SD | ELK POINT | VoIP | 640 | active |
| 605-953 | AERIAL COMMUNICATIONS, INC. | HARTFORD | Wireless | 640 | active |
| 605-954 | BANDWIDTH.COM CLEC, LLC - SD | WATERTOWN | VoIP | 640 | active |
| 605-955 | VALLEY TELECOM COOP. ASSN., INC. | MOUND CITY | Landline | 640 | active |
| 605-956 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | WATERTOWN | Wireless | 640 | active |
| 605-957 | CLARITY TELECOM, LLC DBA BLUEPEAK | BERESFORD | Landline | 640 | active |
| 605-960 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-961 | VONAGE AMERICA LLC | SIOUX FLS | VoIP | 640 | active |
| 605-962 | VENTURE COMMUNICATIONS COOPERATIVE | BLUNT | Landline | 640 | active |
| 605-963 | AERIAL COMMUNICATIONS, INC. | DELLRAPIDS | Wireless | 640 | active |
| 605-964 | CHEYENNE RIVER SIOUX TRIBAL TEL. AUTHORITY | EAGLEBUTTE | Landline | 640 | active |
| 605-965 | CLARITY TELECOM, LLC DBA BLUEPEAK | SIOUX FLS | Landline | 640 | active |
| 605-966 | JEFFERSON TEL. CO. | JEFFERSON | Landline | 640 | active |
| 605-967 | CITY OF FAITH MUNICIPAL TEL. CO. | FAITH | Landline | 640 | active |
| 605-968 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | HURON | Wireless | 640 | active |
| 605-969 | GREAT PLAINS COMMUNICATIONS, INC. | NO KILGORE | Landline | 644 | active |
| 605-970 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-971 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | ABERDEEN | Wireless | 640 | active |
| 605-972 | ONVOY, LLC - SD | WESTJASPER | Landline | 620 | active |
| 605-973 | VENTURE COMMUNICATIONS COOPERATIVE | ONIDA | Landline | 640 | active |
| 605-974 | AERIAL COMMUNICATIONS, INC. | RAPID CITY | Wireless | 640 | active |
| 605-975 | ONVOY, LLC - SD | YANKTON | Landline | 640 | active |
| 605-977 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-978 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-979 | TELNYX LLC | NOSIOUX CY | VoIP | 630 | active |
| 605-980 | NEW CINGULAR WIRELESS PCS, LLC - IL | MARTIN | Wireless | 640 | active |
| 605-981 | AERIAL COMMUNICATIONS, INC. | RAPID CITY | Wireless | 640 | active |
| 605-982 | TON80 COMMUNICATIONS, LLC | ABERDEEN | VoIP | 640 | active |
| 605-983 | QWEST CORPORATION | ARLINGTON | Landline | 640 | active |
| 605-984 | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | HUDSON | Landline | 640 | active |
| 605-985 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | ENNING | Landline | 640 | active |
| 605-986 | Landline | active | |||
| 605-987 | QWEST CORPORATION | CANTON | Landline | 640 | active |
| 605-988 | QWEST CORPORATION | SIOUX FLS | Landline | 640 | active |
| 605-989 | NUSO, LLC | NOVALENTIN | VoIP | 644 | active |
| 605-990 | ATV HOLDINGS, LLC D/B/A MITCHELL TELECOM - SD | MITCHELL | Landline | 640 | active |
| 605-991 | AIRUS, INC. - SD | MILBANK | Landline | 640 | active |
| 605-992 | TON80 COMMUNICATIONS, LLC | BIGSTONECY | VoIP | 626 | active |
| 605-993 | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | WASTA | Landline | 640 | active |
| 605-994 | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | HECLA | Landline | 640 | active |
| 605-995 | QWEST CORPORATION | MITCHELL | Landline | 640 | active |
| 605-996 | QWEST CORPORATION | MITCHELL | Landline | 640 | active |
| 605-997 | QWEST CORPORATION | FLANDREAU | Landline | 640 | active |
| 605-998 | ONVOY, LLC - SD | MILLER | Landline | 640 | active |
| 605-999 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | MITCHELL | Wireless | 640 | active |