Reference Data
Area Code Directory
Area Code 310 — Los Angeles, California

Area Code 310 — Los Angeles, Torrance, Bloomington, California

Active

Data last updated: March 10, 2026

State
California
Country
US
Timezone
America/Los_Angeles
Assigned
February 28, 2001
Exchanges (NXX)
786
Carriers
26
Rate Centers
17
Overlay
Yes — 424, 562

Top Carriers

Carrier OCN NXX Count
PACIFIC BELL 9740 249
FRONTIER CALIFORNIA INC. 2319 137
NEW CINGULAR WIRELESS PCS, LLC 6010 68
T-MOBILE USA, INC. 6529 58
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 56
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7240 27
SPOK, INC. 6630 24
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J 24
LEVEL 3 COMMUNICATIONS, LLC - CA 8826 22
TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 20

Rate Centers

CMTN GRDN BEVERLYHLS CULVERCITY W ANGELES TORRANCE REDONDO INGLEWOOD HAWTHORNE SAN PEDRO CMTN CMTN EL SEGUNDO SNMN SNMN LOMITA SNMN MRVS MALIBU AVALON LAKEWOOD

Exchange Listings (NXX)

NPA-NXX Carrier Rate Center Type LATA Status
310-200 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-201 PACIFIC BELL BEVERLYHLS Landline 730 active
310-202 PACIFIC BELL CULVERCITY Landline 730 active
310-203 PACIFIC BELL BEVERLYHLS Landline 730 active
310-204 PACIFIC BELL CULVERCITY Landline 730 active
310-205 PACIFIC BELL BEVERLYHLS Landline 730 active
310-206 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-207 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-208 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-209 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-210 NEW CINGULAR WIRELESS PCS, LLC W ANGELES Wireless 730 active
310-212 PACIFIC BELL TORRANCE Landline 730 active
310-213 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-214 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-215 PACIFIC BELL INGLEWOOD Landline 730 active
310-216 PACIFIC BELL INGLEWOOD Landline 730 active
310-217 PACIFIC BELL CMTN GRDN Landline 730 active
310-218 MCIMETRO ACCESS TRANSMISSION SERVICES LLC TORRANCE Landline 730 active
310-219 PACIFIC BELL HAWTHORNE Landline 730 active
310-220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC HAWTHORNE Landline 730 active
310-221 PACIFIC BELL SAN PEDRO Landline 730 active
310-222 PACIFIC BELL TORRANCE Landline 730 active
310-223 PACIFIC BELL CMTN CMTN Landline 730 active
310-224 PACIFIC BELL TORRANCE Landline 730 active
310-225 PACIFIC BELL CMTN GRDN Landline 730 active
310-226 PACIFIC BELL BEVERLYHLS Landline 730 active
310-227 T-MOBILE USA, INC. EL SEGUNDO Wireless 730 active
310-228 TELEPORT COMMUNICATIONS AMERICA, LLC - CA BEVERLYHLS Landline 730 active
310-229 PACIFIC BELL BEVERLYHLS Landline 730 active
310-230 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-231 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-232 SPOK, INC. SNMN SNMN Landline 730 active
310-233 PACIFIC BELL SAN PEDRO Landline 730 active
310-234 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-235 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-236 SPOK, INC. SNMN SNMN Landline 730 active
310-237 TELEPORT COMMUNICATIONS AMERICA, LLC - CA CULVERCITY Landline 730 active
310-238 SPOK, INC. SNMN SNMN Landline 730 active
310-239 SPOK, INC. SNMN SNMN Landline 730 active
310-240 SPOK, INC. CMTN GRDN Landline 730 active
310-241 PACIFIC BELL SAN PEDRO Landline 730 active
310-242 TELEPORT COMMUNICATIONS AMERICA, LLC - CA INGLEWOOD Landline 730 active
310-243 PACIFIC BELL CMTN GRDN Landline 730 active
310-244 PACIFIC BELL CULVERCITY Landline 730 active
310-245 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-246 PACIFIC BELL BEVERLYHLS Landline 730 active
310-247 PACIFIC BELL BEVERLYHLS Landline 730 active
310-248 PACIFIC BELL BEVERLYHLS Landline 730 active
310-249 SPOK, INC. CMTN GRDN Landline 730 active
310-250 SPOK, INC. CMTN GRDN Landline 730 active
310-251 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-252 PACIFIC BELL EL SEGUNDO Landline 730 active
310-253 PACIFIC BELL CULVERCITY Landline 730 active
310-254 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA W ANGELES Landline 730 active
310-255 PACIFIC BELL (COMPETITIVE) SNMN SNMN Landline 730 active
310-256 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA INGLEWOOD Wireless 730 active
310-257 PACIFIC BELL LOMITA Landline 730 active
310-258 PACIFIC BELL INGLEWOOD Landline 730 active
310-259 NEW CINGULAR WIRELESS PCS, LLC INGLEWOOD Wireless 730 active
310-260 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-261 METROPCS NETWORKS, LLC SNMN SNMN Wireless 730 active
310-262 SPOK, INC. SNMN SNMN Landline 730 active
310-263 PACIFIC BELL HAWTHORNE Landline 730 active
310-264 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-265 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-266 NEW CINGULAR WIRELESS PCS, LLC SNMN SNMN Wireless 730 active
310-267 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-268 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-269 UTILITY TELECOM GROUP, LLC - CA BEVERLYHLS Landline 730 active
310-270 PACIFIC BELL BEVERLYHLS Landline 730 active
310-271 PACIFIC BELL BEVERLYHLS Landline 730 active
310-272 T-MOBILE USA, INC. BEVERLYHLS Wireless 730 active
310-273 PACIFIC BELL BEVERLYHLS Landline 730 active
310-274 PACIFIC BELL BEVERLYHLS Landline 730 active
310-275 PACIFIC BELL BEVERLYHLS Landline 730 active
310-276 PACIFIC BELL BEVERLYHLS Landline 730 active
310-277 PACIFIC BELL BEVERLYHLS Landline 730 active
310-278 PACIFIC BELL BEVERLYHLS Landline 730 active
310-279 PACIFIC BELL BEVERLYHLS Landline 730 active
310-280 PACIFIC BELL CULVERCITY Landline 730 active
310-281 PACIFIC BELL BEVERLYHLS Landline 730 active
310-282 PACIFIC BELL BEVERLYHLS Landline 730 active
310-283 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-284 PACIFIC BELL BEVERLYHLS Landline 730 active
310-285 PACIFIC BELL BEVERLYHLS Landline 730 active
310-286 PACIFIC BELL BEVERLYHLS Landline 730 active
310-287 PACIFIC BELL CULVERCITY Landline 730 active
310-288 PACIFIC BELL BEVERLYHLS Landline 730 active
310-289 PACIFIC BELL BEVERLYHLS Landline 730 active
310-290 T-MOBILE USA, INC. BEVERLYHLS Wireless 730 active
310-291 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-292 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-293 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-294 LEVEL 3 COMMUNICATIONS, LLC - CA TORRANCE Landline 730 active
310-295 LEVEL 3 COMMUNICATIONS, LLC - CA W ANGELES Landline 730 active
310-296 AMERICAN MESSAGING SERVICES, LLC CMTN GRDN Landline 730 active
310-297 PACIFIC BELL HAWTHORNE Landline 730 active
310-298 SPOK, INC. CMTN GRDN Landline 730 active
310-299 LEVEL 3 COMMUNICATIONS, LLC - CA BEVERLYHLS Landline 730 active
310-300 MCIMETRO ACCESS TRANSMISSION SERVICES LLC BEVERLYHLS Landline 730 active
310-301 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-302 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-303 PACIFIC BELL (COMPETITIVE) REDONDO Landline 730 active
310-304 ONVOY, LLC - CA LOMITA Landline 730 active
310-305 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-306 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-307 T-MOBILE USA, INC. W ANGELES Wireless 730 active
310-308 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-309 TELEPORT COMMUNICATIONS AMERICA, LLC - CA SNMN SNMN Landline 730 active
310-310 T-MOBILE USA, INC. SNMN SNMN Wireless 730 active
310-312 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-313 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-314 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-315 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-316 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-317 FRONTIER CALIFORNIA INC. MALIBU Landline 730 active
310-318 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-319 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-320 PACIFIC BELL TORRANCE Landline 730 active
310-321 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS EL SEGUNDO VoIP 730 active
310-322 PACIFIC BELL EL SEGUNDO Landline 730 active
310-323 PACIFIC BELL CMTN GRDN Landline 730 active
310-324 PACIFIC BELL CMTN GRDN Landline 730 active
310-325 PACIFIC BELL LOMITA Landline 730 active
310-326 PACIFIC BELL LOMITA Landline 730 active
310-327 PACIFIC BELL CMTN GRDN Landline 730 active
310-328 PACIFIC BELL TORRANCE Landline 730 active
310-329 PACIFIC BELL CMTN GRDN Landline 730 active
310-330 PACIFIC BELL INGLEWOOD Landline 730 active
310-331 PACIFIC BELL HAWTHORNE Landline 730 active
310-332 PACIFIC BELL HAWTHORNE Landline 730 active
310-333 PACIFIC BELL EL SEGUNDO Landline 730 active
310-334 PACIFIC BELL EL SEGUNDO Landline 730 active
310-335 PACIFIC BELL EL SEGUNDO Landline 730 active
310-336 PACIFIC BELL EL SEGUNDO Landline 730 active
310-337 PACIFIC BELL INGLEWOOD Landline 730 active
310-338 PACIFIC BELL INGLEWOOD Landline 730 active
310-339 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-340 NEW CINGULAR WIRELESS PCS, LLC HAWTHORNE Wireless 730 active
310-341 TELEPORT COMMUNICATIONS AMERICA, LLC - CA EL SEGUNDO Landline 730 active
310-342 PACIFIC BELL INGLEWOOD Landline 730 active
310-343 TELEPORT COMMUNICATIONS AMERICA, LLC - CA EL SEGUNDO Landline 730 active
310-344 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-345 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-346 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-347 NEW CINGULAR WIRELESS PCS, LLC TORRANCE Wireless 730 active
310-348 PACIFIC BELL INGLEWOOD Landline 730 active
310-349 PACIFIC BELL HAWTHORNE Landline 730 active
310-350 METROPCS NETWORKS, LLC TORRANCE Wireless 730 active
310-351 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-352 PACIFIC BELL CMTN GRDN Landline 730 active
310-353 PACIFIC BELL CMTN GRDN Landline 730 active
310-354 PACIFIC BELL CMTN GRDN Landline 730 active
310-355 PACIFIC BELL HAWTHORNE Landline 730 active
310-356 LEVEL 3 COMMUNICATIONS, LLC - CA EL SEGUNDO Landline 730 active
310-357 TELEPORT COMMUNICATIONS AMERICA, LLC - CA TORRANCE Landline 730 active
310-358 PACIFIC BELL BEVERLYHLS Landline 730 active
310-359 T-MOBILE USA, INC. MALIBU Wireless 730 active
310-360 PACIFIC BELL BEVERLYHLS Landline 730 active
310-361 ONVOY, LLC - CA CMTN CMTN Landline 730 active
310-362 ONVOY, LLC - CA BEVERLYHLS Landline 730 active
310-363 PACIFIC BELL HAWTHORNE Landline 730 active
310-364 PACIFIC BELL EL SEGUNDO Landline 730 active
310-365 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-366 PACIFIC BELL CMTN GRDN Landline 730 active
310-367 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-368 SPOK, INC. CMTN GRDN Landline 730 active
310-369 TELEPORT COMMUNICATIONS AMERICA, LLC - CA BEVERLYHLS Landline 730 active
310-370 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-371 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-372 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-373 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-374 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-375 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-376 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-377 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-378 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-379 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-380 PACIFIC BELL CMTN GRDN Landline 730 active
310-381 PACIFIC BELL TORRANCE Landline 730 active
310-382 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA SNMN SNMN Landline 730 active
310-383 NEW CINGULAR WIRELESS PCS, LLC SNMN MRVS Wireless 730 active
310-384 NEW CINGULAR WIRELESS PCS, LLC CULVERCITY Wireless 730 active
310-385 PACIFIC BELL BEVERLYHLS Landline 730 active
310-386 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-388 ONVOY, LLC - CA BEVERLYHLS Landline 730 active
310-389 AMERICAN MESSAGING SERVICES, LLC CMTN GRDN Landline 730 active
310-390 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-391 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-392 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-393 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-394 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-395 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-396 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-397 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-398 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-399 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-400 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-401 LEVEL 3 COMMUNICATIONS, LLC - CA SNMN SNMN Landline 730 active
310-402 LEVEL 3 COMMUNICATIONS, LLC - CA BEVERLYHLS Landline 730 active
310-403 METROPCS NETWORKS, LLC SNMN SNMN Wireless 730 active
310-404 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-405 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA W ANGELES Wireless 730 active
310-406 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-407 PACIFIC BELL BEVERLYHLS Landline 730 active
310-408 NEW CINGULAR WIRELESS PCS, LLC TORRANCE Wireless 730 active
310-409 IP HORIZON LLC BEVERLYHLS VoIP 730 active
310-410 PACIFIC BELL INGLEWOOD Landline 730 active
310-412 PACIFIC BELL INGLEWOOD Landline 730 active
310-413 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-414 PACIFIC BELL EL SEGUNDO Landline 730 active
310-415 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-416 PACIFIC BELL EL SEGUNDO Landline 730 active
310-417 PACIFIC BELL INGLEWOOD Landline 730 active
310-418 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-419 PACIFIC BELL INGLEWOOD Landline 730 active
310-420 METROPCS NETWORKS, LLC SNMN SNMN Wireless 730 active
310-421 T-MOBILE USA, INC. REDONDO Wireless 730 active
310-422 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-423 PACIFIC BELL BEVERLYHLS Landline 730 active
310-424 PAETEC ITEL, LLC BEVERLYHLS VoIP 730 active
310-425 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CULVERCITY Landline 730 active
310-426 PACIFIC BELL EL SEGUNDO Landline 730 active
310-427 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SAN PEDRO Wireless 730 active
310-428 METROPCS NETWORKS, LLC SNMN SNMN Wireless 730 active
310-429 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-430 T-MOBILE USA, INC. SNMN SNMN Wireless 730 active
310-431 NEW CINGULAR WIRELESS PCS, LLC INGLEWOOD Wireless 730 active
310-432 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS BEVERLYHLS VoIP 730 active
310-433 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-434 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-435 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-436 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS CMTN GRDN VoIP 730 active
310-437 MCIMETRO ACCESS TRANSMISSION SERVICES LLC SNMN MRVS Landline 730 active
310-438 T-MOBILE USA, INC. CMTN CMTN Wireless 730 active
310-439 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-440 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-441 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-442 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-443 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-444 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-445 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-446 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-447 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-448 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-449 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-450 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-451 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-452 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-453 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-454 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-455 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-456 FRONTIER CALIFORNIA INC. MALIBU Landline 730 active
310-457 FRONTIER CALIFORNIA INC. MALIBU Landline 730 active
310-458 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-459 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-460 MCIMETRO ACCESS TRANSMISSION SERVICES LLC SNMN SNMN Landline 730 active
310-461 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS BEVERLYHLS VoIP 730 active
310-462 T-MOBILE USA, INC. INGLEWOOD Wireless 730 active
310-463 NEW CINGULAR WIRELESS PCS, LLC SNMN SNMN Wireless 730 active
310-464 LEVEL 3 COMMUNICATIONS, LLC - CA CMTN GRDN Landline 730 active
310-465 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-466 METROPCS NETWORKS, LLC SNMN SNMN Wireless 730 active
310-467 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-468 PACIFIC BELL TORRANCE Landline 730 active
310-469 LEVEL 3 COMMUNICATIONS, LLC - CA EL SEGUNDO Landline 730 active
310-470 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-471 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-472 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-473 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-474 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-475 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-476 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-477 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-478 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-479 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-480 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-481 PACIFIC BELL (COMPETITIVE) W ANGELES Landline 730 active
310-482 PACIFIC BELL (COMPETITIVE) SNMN MRVS Landline 730 active
310-483 LEVEL 3 COMMUNICATIONS, LLC - CA TORRANCE Landline 730 active
310-484 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS INGLEWOOD VoIP 730 active
310-485 33 WIRELESS INC. CULVERCITY Wireless 730 active
310-486 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-487 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-488 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-489 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-490 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-491 LEVEL 3 COMMUNICATIONS, LLC - CA INGLEWOOD Landline 730 active
310-492 MCIMETRO ACCESS TRANSMISSION SERVICES LLC BEVERLYHLS Landline 730 active
310-493 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-494 LEVEL 3 COMMUNICATIONS, LLC - CA MALIBU Landline 730 active
310-495 33 WIRELESS INC. CULVERCITY Wireless 730 active
310-496 ONVOY, LLC - CA SNMN SNMN Landline 730 active
310-497 T-MOBILE USA, INC. BEVERLYHLS Wireless 730 active
310-498 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-499 LEVEL 3 COMMUNICATIONS, LLC - CA BEVERLYHLS Landline 730 active
310-500 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA W ANGELES Landline 730 active
310-501 SPOK, INC. CMTN CMTN Landline 730 active
310-502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-503 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-504 PEERLESS NETWORK OF CALIFORNIA, LLC - CA REDONDO Landline 730 active
310-505 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-506 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS MALIBU VoIP 730 active
310-507 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA SAN PEDRO Landline 730 active
310-508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-509 SPOK, INC. CMTN CMTN Landline 730 active
310-510 PACIFIC BELL AVALON Landline 730 active
310-512 PACIFIC BELL CMTN GRDN Landline 730 active
310-513 PACIFIC BELL SAN PEDRO Landline 730 active
310-514 PACIFIC BELL SAN PEDRO Landline 730 active
310-515 PACIFIC BELL CMTN GRDN Landline 730 active
310-516 PACIFIC BELL CMTN GRDN Landline 730 active
310-517 PACIFIC BELL LOMITA Landline 730 active
310-518 PACIFIC BELL SAN PEDRO Landline 730 active
310-519 PACIFIC BELL SAN PEDRO Landline 730 active
310-521 PACIFIC BELL SAN PEDRO Landline 730 active
310-522 PACIFIC BELL SAN PEDRO Landline 730 active
310-523 PACIFIC BELL CMTN GRDN Landline 730 active
310-524 PACIFIC BELL EL SEGUNDO Landline 730 active
310-525 TELEPORT COMMUNICATIONS AMERICA, LLC - CA CMTN GRDN Landline 730 active
310-526 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA SNMN SNMN Landline 730 active
310-527 PACIFIC BELL CMTN GRDN Landline 730 active
310-528 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-529 NEW CINGULAR WIRELESS PCS, LLC EL SEGUNDO Wireless 730 active
310-530 PACIFIC BELL LOMITA Landline 730 active
310-531 TELEPORT COMMUNICATIONS AMERICA, LLC - CA HAWTHORNE Landline 730 active
310-532 PACIFIC BELL CMTN GRDN Landline 730 active
310-533 PACIFIC BELL TORRANCE Landline 730 active
310-534 PACIFIC BELL LOMITA Landline 730 active
310-535 PACIFIC BELL EL SEGUNDO Landline 730 active
310-536 PACIFIC BELL HAWTHORNE Landline 730 active
310-537 PACIFIC BELL CMTN CMTN Landline 730 active
310-538 PACIFIC BELL CMTN GRDN Landline 730 active
310-539 PACIFIC BELL LOMITA Landline 730 active
310-540 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-541 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-542 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
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310-890 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-891 PACIFIC BELL LOMITA Landline 730 active
310-892 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-893 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA W ANGELES Landline 730 active
310-894 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA CMTN CMTN Landline 730 active
310-895 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA CULVERCITY Landline 730 active
310-896 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS REDONDO VoIP 730 active
310-897 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-898 PACIFIC BELL CMTN CMTN Landline 730 active
310-899 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-900 PACIFIC BELL CMTN CMTN Landline 730 active
310-901 T-MOBILE USA, INC. TORRANCE Wireless 730 active
310-902 T-MOBILE USA, INC. SNMN MRVS Wireless 730 active
310-903 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA W ANGELES Wireless 730 active
310-904 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS CULVERCITY VoIP 730 active
310-905 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-906 IP HORIZON LLC EL SEGUNDO VoIP 730 active
310-907 MCIMETRO ACCESS TRANSMISSION SERVICES LLC SNMN SNMN Landline 730 active
310-908 NEW CINGULAR WIRELESS PCS, LLC INGLEWOOD Wireless 730 active
310-909 MCIMETRO ACCESS TRANSMISSION SERVICES LLC W ANGELES Landline 730 active
310-910 T-MOBILE USA, INC. INGLEWOOD Wireless 730 active
310-912 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA INGLEWOOD Wireless 730 active
310-913 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-914 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-915 FRONTIER CALIFORNIA INC. SNMN MRVS Landline 730 active
310-916 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA CULVERCITY Landline 730 active
310-917 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-918 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-919 ONVOY, LLC - CA MALIBU Landline 730 active
310-920 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active
310-921 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-922 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-923 NEW CINGULAR WIRELESS PCS, LLC W ANGELES Wireless 730 active
310-924 METROPCS NETWORKS, LLC MALIBU Wireless 730 active
310-925 T-MOBILE USA, INC. BEVERLYHLS Wireless 730 active
310-926 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-927 T-MOBILE USA, INC. BEVERLYHLS Wireless 730 active
310-928 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CMTN CMTN Landline 730 active
310-929 IP HORIZON LLC AVALON VoIP 730 active
310-930 METROPCS NETWORKS, LLC CMTN GRDN Wireless 730 active
310-931 AMERICAN MESSAGING SERVICES, LLC TORRANCE Landline 730 active
310-932 SPOK, INC. LAKEWOOD Landline 730 active
310-933 LEVEL 3 COMMUNICATIONS, LLC - CA CMTN CMTN Landline 730 active
310-934 AMERICAN MESSAGING SERVICES, LLC CULVERCITY Landline 730 active
310-935 ONVOY, LLC - CA SAN PEDRO Landline 730 active
310-936 T-MOBILE USA, INC. CULVERCITY Wireless 730 active
310-937 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-938 NEW CINGULAR WIRELESS PCS, LLC TORRANCE Wireless 730 active
310-939 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-940 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-941 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-942 33 WIRELESS INC. CMTN GRDN Wireless 730 active
310-943 ONVOY, LLC - CA W ANGELES Landline 730 active
310-944 FRONTIER CALIFORNIA INC. REDONDO Landline 730 active
310-945 MCIMETRO ACCESS TRANSMISSION SERVICES LLC CULVERCITY Landline 730 active
310-946 METROPCS NETWORKS, LLC INGLEWOOD Wireless 730 active
310-947 T-MOBILE USA, INC. REDONDO Wireless 730 active
310-948 NEW CINGULAR WIRELESS PCS, LLC W ANGELES Wireless 730 active
310-949 NORTH COUNTY COMMUNICATION CORPORATION - CA AVALON Landline 730 active
310-951 T-MOBILE USA, INC. TORRANCE Wireless 730 active
310-952 PACIFIC BELL SAN PEDRO Landline 730 active
310-953 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA TORRANCE Landline 730 active
310-954 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA W ANGELES Landline 730 active
310-955 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA EL SEGUNDO Landline 730 active
310-956 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA HAWTHORNE Landline 730 active
310-957 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA INGLEWOOD Landline 730 active
310-960 SPOK, INC. CMTN GRDN Landline 730 active
310-961 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA TORRANCE Wireless 730 active
310-962 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-963 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-964 PACIFIC BELL EL SEGUNDO Landline 730 active
310-965 PACIFIC BELL CMTN GRDN Landline 730 active
310-966 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-967 PACIFIC BELL BEVERLYHLS Landline 730 active
310-968 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA SNMN MRVS Wireless 730 active
310-969 TELEPORT COMMUNICATIONS AMERICA, LLC - CA BEVERLYHLS Landline 730 active
310-970 PACIFIC BELL HAWTHORNE Landline 730 active
310-971 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA SAN PEDRO Landline 730 active
310-972 PACIFIC BELL TORRANCE Landline 730 active
310-973 PACIFIC BELL HAWTHORNE Landline 730 active
310-974 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA TORRANCE Landline 730 active
310-975 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA BEVERLYHLS Landline 730 active
310-976 NORTH COUNTY COMMUNICATION CORPORATION - CA BEVERLYHLS Landline 730 active
310-977 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-978 PACIFIC BELL HAWTHORNE Landline 730 active
310-979 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-980 T-MOBILE USA, INC. SNMN SNMN Wireless 730 active
310-981 TELEPORT COMMUNICATIONS AMERICA, LLC - CA INGLEWOOD VoIP 730 active
310-982 T-MOBILE USA, INC. SAN PEDRO Wireless 730 active
310-983 PACIFIC BELL (COMPETITIVE) W ANGELES Landline 730 active
310-984 LEVEL 3 COMMUNICATIONS, LLC - CA SAN PEDRO Landline 730 active
310-985 T-MOBILE USA, INC. SNMN SNMN Wireless 730 active
310-986 T-MOBILE USA, INC. LOMITA Wireless 730 active
310-987 T-MOBILE USA, INC. SAN PEDRO Wireless 730 active
310-988 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA INGLEWOOD Wireless 730 active
310-989 NEW CINGULAR WIRELESS PCS, LLC CMTN GRDN Wireless 730 active
310-990 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-991 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-992 SPOK, INC. SNMN SNMN Landline 730 active
310-993 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-994 NEW CINGULAR WIRELESS PCS, LLC BEVERLYHLS Wireless 730 active
310-995 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA CMTN GRDN Wireless 730 active
310-996 FRONTIER CALIFORNIA INC. W ANGELES Landline 730 active
310-997 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA LOMITA Wireless 730 active
310-998 FRONTIER CALIFORNIA INC. SNMN SNMN Landline 730 active
310-999 T-MOBILE USA, INC. CMTN GRDN Wireless 730 active

Area code 310 shares its geographic region with the following overlay area codes:

424 562