Area Code 510 — Oakland, San Francisco, Hayward, California
ActiveData last updated: March 10, 2026
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PACIFIC BELL | 9740 | 277 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 78 |
| T-MOBILE USA, INC. | 6529 | 65 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 60 |
| METROPCS, INC. | 5562 | 45 |
| ONVOY, LLC - CA | 649C | 37 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 37 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 34 |
| BANDWIDTH.COM CLEC, LLC - CA | 981E | 29 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | 19 |
Rate Centers
HAYWARD
OKLD MN-PD
FRNK MAIN
OKLD BKLY
OKLD ALMD
RICHMOND
FRNK OLIVR
OKLD FRTVL
ELSBR-PINL
HRCUL-RODE
FRNK GRNLF
CROCKETT
OKLD TRNID
Exchange Listings (NXX)
| NPA-NXX | Carrier | Rate Center | Type | LATA | Status |
|---|---|---|---|---|---|
| 510-200 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-201 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-202 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-203 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-204 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-205 | METROPCS, INC. | OKLD ALMD | Wireless | 722 | active |
| 510-206 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-207 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-208 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-209 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-210 | BANDWIDTH.COM CLEC, LLC - CA | RICHMOND | VoIP | 722 | active |
| 510-212 | SPOK, INC. | FRNK OLIVR | Landline | 722 | active |
| 510-213 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-214 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-215 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-216 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-217 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-218 | SPOK, INC. | FRNK OLIVR | Landline | 722 | active |
| 510-219 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-220 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-221 | METROPCS, INC. | RICHMOND | Wireless | 722 | active |
| 510-222 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-223 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-224 | T-MOBILE USA, INC. | HRCUL-RODE | Wireless | 722 | active |
| 510-225 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD BKLY | Landline | 722 | active |
| 510-226 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-227 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | OKLD ALMD | Landline | 722 | active |
| 510-228 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD FRTVL | Landline | 722 | active |
| 510-229 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-230 | T-MOBILE USA, INC. | RICHMOND | Wireless | 722 | active |
| 510-231 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-232 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-233 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-234 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-235 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-236 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-237 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-238 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-239 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD ALMD | VoIP | 722 | active |
| 510-240 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | FRNK GRNLF | Landline | 722 | active |
| 510-241 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-242 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-243 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-244 | BANDWIDTH.COM CLEC, LLC - CA | HAYWARD | VoIP | 722 | active |
| 510-245 | PACIFIC BELL | HRCUL-RODE | Landline | 722 | active |
| 510-246 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-247 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-248 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-249 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-250 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-251 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-252 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-253 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | RICHMOND | Landline | 722 | active |
| 510-254 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-255 | BANDWIDTH.COM CLEC, LLC - CA | RICHMOND | VoIP | 722 | active |
| 510-256 | BANDWIDTH.COM CLEC, LLC - CA | CROCKETT | VoIP | 722 | active |
| 510-257 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-258 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-259 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-260 | COMCAST IP PHONE, LLC | RICHMOND | VoIP | 722 | active |
| 510-261 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-262 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-263 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-264 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-265 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-266 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-267 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-268 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-269 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | OKLD FRTVL | Landline | 722 | active |
| 510-270 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | Landline | 722 | active |
| 510-271 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-272 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-273 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-274 | UTILITY TELECOM GROUP, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-275 | ONVOY, LLC - CA | ELSBR-PINL | Landline | 722 | active |
| 510-276 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-277 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-278 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-279 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD BKLY | Landline | 722 | active |
| 510-281 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-282 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-283 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | ELSBR-PINL | Landline | 722 | active |
| 510-284 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-285 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-286 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-287 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-288 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-289 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-290 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-291 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-292 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-293 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-294 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-295 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD BKLY | Wireless | 722 | active |
| 510-296 | LEVEL 3 COMMUNICATIONS, LLC - CA | HRCUL-RODE | Landline | 722 | active |
| 510-297 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-298 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-299 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-300 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | HAYWARD | VoIP | 722 | active |
| 510-301 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-302 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-303 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-304 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-305 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-306 | METROPCS, INC. | OKLD ALMD | Wireless | 722 | active |
| 510-307 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-308 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-309 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-310 | SEQUOIA WIRELESS, LLC | HAYWARD | Landline | 722 | active |
| 510-312 | COMMIO, LLC | CROCKETT | VoIP | 722 | active |
| 510-313 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | HRCUL-RODE | VoIP | 722 | active |
| 510-314 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-315 | LEVEL 3 COMMUNICATIONS, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-316 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-317 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-318 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-319 | ONVOY, LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-320 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-321 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-322 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HRCUL-RODE | Landline | 722 | active |
| 510-323 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | RICHMOND | Landline | 722 | active |
| 510-324 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-325 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-326 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-327 | ONVOY, LLC - CA | HRCUL-RODE | Landline | 722 | active |
| 510-328 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-329 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-330 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-331 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-332 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-333 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-334 | NEW CINGULAR WIRELESS PCS, LLC | RICHMOND | Wireless | 722 | active |
| 510-335 | ONVOY, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-336 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-337 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-338 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-339 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-340 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-342 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | HAYWARD | VoIP | 722 | active |
| 510-343 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD TRNID | VoIP | 722 | active |
| 510-344 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-345 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-346 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-347 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-348 | 33 WIRELESS INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-349 | AMERICAN MESSAGING SERVICES, LLC | RICHMOND | Landline | 722 | active |
| 510-350 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-351 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-352 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-353 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-354 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-355 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-356 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-357 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-358 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-359 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-360 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-361 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | HAYWARD | Landline | 722 | active |
| 510-362 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-363 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-364 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-365 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-366 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-367 | NEW CINGULAR WIRELESS PCS, LLC | RICHMOND | Wireless | 722 | active |
| 510-368 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-369 | ONVOY, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-370 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-371 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-372 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-373 | ONVOY, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-374 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-375 | T-MOBILE USA, INC. | RICHMOND | Wireless | 722 | active |
| 510-376 | METROPCS, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-377 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-378 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-379 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | OKLD MN-PD | Landline | 722 | active |
| 510-380 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-381 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-382 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-383 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-384 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-385 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-386 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-387 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-388 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-389 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD TRNID | VoIP | 722 | active |
| 510-390 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-391 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-392 | NEW CINGULAR WIRELESS PCS, LLC | ELSBR-PINL | Wireless | 722 | active |
| 510-393 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-394 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD TRNID | Landline | 722 | active |
| 510-395 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD FRTVL | VoIP | 722 | active |
| 510-396 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-397 | COMCAST IP PHONE, LLC | HAYWARD | VoIP | 722 | active |
| 510-398 | BANDWIDTH.COM CLEC, LLC - CA | HAYWARD | VoIP | 722 | active |
| 510-399 | ONVOY, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-400 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK GRNLF | Landline | 722 | active |
| 510-401 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | FRNK GRNLF | VoIP | 722 | active |
| 510-402 | BANDWIDTH.COM CLEC, LLC - CA | FRNK MAIN | VoIP | 722 | active |
| 510-403 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | FRNK OLIVR | VoIP | 722 | active |
| 510-404 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | FRNK GRNLF | Landline | 722 | active |
| 510-405 | ONVOY, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-406 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-407 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-408 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-409 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-410 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-412 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-413 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-414 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-415 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-416 | NORTH COUNTY COMMUNICATION CORPORATION - CA | OKLD BKLY | Landline | 722 | active |
| 510-417 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-418 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-419 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-420 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-421 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-422 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-423 | PAETEC ITEL, LLC | OKLD BKLY | VoIP | 722 | active |
| 510-424 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-425 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-426 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | RICHMOND | Wireless | 722 | active |
| 510-427 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-428 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-429 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-430 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-431 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK GRNLF | Landline | 722 | active |
| 510-432 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-433 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-434 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-435 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-436 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-437 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-438 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-439 | ONVOY, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-440 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-441 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-442 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-443 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-444 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-445 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-446 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-447 | METROPCS, INC. | RICHMOND | Wireless | 722 | active |
| 510-448 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-449 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK MAIN | VoIP | 722 | active |
| 510-450 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-451 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-452 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-453 | METROPCS, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-454 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-455 | T-MOBILE USA, INC. | CROCKETT | Wireless | 722 | active |
| 510-456 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | FRNK MAIN | VoIP | 722 | active |
| 510-457 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD MN-PD | VoIP | 722 | active |
| 510-458 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-459 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-460 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-461 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-462 | ONVOY, LLC - CA | FRNK GRNLF | Landline | 722 | active |
| 510-463 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD MN-PD | VoIP | 722 | active |
| 510-464 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-465 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-466 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-467 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | OKLD FRTVL | Landline | 722 | active |
| 510-468 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-469 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-470 | BANDWIDTH.COM CLEC, LLC - CA | HAYWARD | VoIP | 722 | active |
| 510-471 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-472 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-473 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD ALMD | Landline | 722 | active |
| 510-474 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK GRNLF | Landline | 722 | active |
| 510-475 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-476 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-477 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-478 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | RICHMOND | Landline | 722 | active |
| 510-479 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD FRTVL | Landline | 722 | active |
| 510-480 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-481 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-482 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-483 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-484 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-485 | METROPCS, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-486 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-487 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-488 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD FRTVL | Landline | 722 | active |
| 510-489 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-490 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-491 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK GRNLF | Landline | 722 | active |
| 510-492 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-493 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK MAIN | Landline | 722 | active |
| 510-494 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-495 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-496 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD MN-PD | VoIP | 722 | active |
| 510-497 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | Landline | 722 | active |
| 510-498 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-499 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-500 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD FRTVL | Landline | 722 | active |
| 510-501 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-502 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-503 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-504 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-505 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-506 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-507 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-508 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-509 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-510 | SHELCOMM | FRNK MAIN | Wireless | 722 | active |
| 510-512 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-513 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-514 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-515 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-516 | BANDWIDTH.COM CLEC, LLC - CA | FRNK MAIN | VoIP | 722 | active |
| 510-517 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-518 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-519 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD ALMD | Wireless | 722 | active |
| 510-520 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-521 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-522 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-523 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-524 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-525 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-526 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-527 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-528 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-529 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-530 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-531 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-532 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-533 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-534 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-535 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-536 | PACIFIC BELL | OKLD FRTVL | Landline | 722 | active |
| 510-537 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-538 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-539 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-540 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-541 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-542 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD BKLY | Landline | 722 | active |
| 510-543 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-544 | ONVOY, LLC - CA | OKLD TRNID | Landline | 722 | active |
| 510-545 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD ALMD | Landline | 722 | active |
| 510-546 | ONVOY SPECTRUM, LLC | HAYWARD | Wireless | 722 | active |
| 510-547 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-548 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-549 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-550 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-551 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-552 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-553 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-554 | 33 WIRELESS INC. | HAYWARD | Wireless | 722 | active |
| 510-556 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-557 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-558 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-559 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-560 | COMCAST IP PHONE, LLC | OKLD TRNID | VoIP | 722 | active |
| 510-561 | NEW CINGULAR WIRELESS PCS, LLC | OKLD FRTVL | Wireless | 722 | active |
| 510-562 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-563 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-564 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD TRNID | Landline | 722 | active |
| 510-565 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-566 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-567 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-568 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-569 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-570 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-571 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-572 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-573 | COMCAST IP PHONE, LLC | FRNK OLIVR | VoIP | 722 | active |
| 510-574 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-575 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-576 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | Landline | 722 | active |
| 510-577 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-578 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK MAIN | Landline | 722 | active |
| 510-579 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-580 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | Landline | 722 | active |
| 510-581 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-582 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-583 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-584 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | Landline | 722 | active |
| 510-585 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | FRNK MAIN | VoIP | 722 | active |
| 510-586 | COMCAST IP PHONE, LLC | HAYWARD | VoIP | 722 | active |
| 510-587 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-588 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-589 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-590 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-591 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-592 | LEVEL 3 COMMUNICATIONS, LLC - CA | HRCUL-RODE | Landline | 722 | active |
| 510-593 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-594 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-595 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-596 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-597 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-598 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-599 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-600 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-601 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-602 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-603 | COMCAST IP PHONE, LLC | OKLD FRTVL | VoIP | 722 | active |
| 510-604 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-605 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-606 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-607 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD MN-PD | VoIP | 722 | active |
| 510-608 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-609 | T-MOBILE USA, INC. | RICHMOND | Wireless | 722 | active |
| 510-610 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-612 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-613 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-614 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-615 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-616 | SONIC TELECOM, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-617 | ONVOY, LLC - CA | HRCUL-RODE | Landline | 722 | active |
| 510-618 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-619 | LEVEL 3 COMMUNICATIONS, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-620 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-621 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | RICHMOND | Landline | 722 | active |
| 510-622 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-623 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-624 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-625 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-626 | BANDWIDTH.COM CLEC, LLC - CA | OKLD TRNID | VoIP | 722 | active |
| 510-627 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-628 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-629 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-630 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-631 | NEW CINGULAR WIRELESS PCS, LLC | OKLD BKLY | Wireless | 722 | active |
| 510-632 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-633 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-634 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-635 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-636 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-637 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-638 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-639 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-640 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-641 | NEW CINGULAR WIRELESS PCS, LLC | ELSBR-PINL | Wireless | 722 | active |
| 510-642 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-643 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-644 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-645 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-646 | BANDWIDTH.COM CLEC, LLC - CA | OKLD BKLY | VoIP | 722 | active |
| 510-647 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-648 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-649 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-650 | ONVOY, LLC - CA | ELSBR-PINL | Landline | 722 | active |
| 510-651 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-652 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-653 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-654 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-655 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-656 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-657 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-658 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-659 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-660 | NEW CINGULAR WIRELESS PCS, LLC | RICHMOND | Wireless | 722 | active |
| 510-661 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-662 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | ELSBR-PINL | Landline | 722 | active |
| 510-663 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-664 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-665 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-666 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-667 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-668 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-669 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-670 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-671 | BANDWIDTH.COM CLEC, LLC - CA | OKLD ALMD | VoIP | 722 | active |
| 510-672 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | RICHMOND | Wireless | 722 | active |
| 510-673 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-674 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-675 | PACIFIC BELL | FRNK GRNLF | Landline | 722 | active |
| 510-676 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-677 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-678 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-679 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD BKLY | Wireless | 722 | active |
| 510-680 | CENTURYLINK COMMUNICATIONS, LLC | RICHMOND | VoIP | 722 | active |
| 510-681 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-682 | METROPCS, INC. | OKLD ALMD | Wireless | 722 | active |
| 510-683 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-684 | METROPCS, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-685 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | RICHMOND | Wireless | 722 | active |
| 510-686 | AT&T ENTERPRISES, LLC | OKLD TRNID | VoIP | 722 | active |
| 510-687 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-688 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-689 | METROPCS, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-690 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-691 | T-MOBILE USA, INC. | HRCUL-RODE | Wireless | 722 | active |
| 510-692 | METROPCS, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-693 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-694 | ONVOY, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-695 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-696 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-697 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-698 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD FRTVL | VoIP | 722 | active |
| 510-699 | 33 WIRELESS INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-701 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-702 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-703 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-704 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-705 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-706 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-707 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-708 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-709 | IP HORIZON LLC | FRNK MAIN | VoIP | 722 | active |
| 510-710 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-712 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-713 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-714 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-715 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-716 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-717 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-718 | AMERICAN MESSAGING SERVICES, LLC | OKLD MN-PD | Landline | 722 | active |
| 510-719 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-720 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-721 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-722 | BANDWIDTH.COM CLEC, LLC - CA | CROCKETT | VoIP | 722 | active |
| 510-723 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-724 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-725 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | OKLD BKLY | Landline | 722 | active |
| 510-726 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | CROCKETT | Landline | 722 | active |
| 510-727 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-728 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-729 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-730 | BANDWIDTH.COM CLEC, LLC - CA | RICHMOND | VoIP | 722 | active |
| 510-731 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | HAYWARD | Landline | 722 | active |
| 510-732 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-733 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-734 | NEW CINGULAR WIRELESS PCS, LLC | RICHMOND | Wireless | 722 | active |
| 510-735 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-736 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-737 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-738 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-739 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-740 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD MN-PD | Landline | 722 | active |
| 510-741 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-742 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-743 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | Landline | 722 | active |
| 510-744 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-745 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-746 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD TRNID | VoIP | 722 | active |
| 510-747 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-748 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-749 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-750 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-751 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-752 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-753 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-754 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-755 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-756 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-757 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-758 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-759 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-760 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-761 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-763 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-764 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-765 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-766 | BANDWIDTH.COM CLEC, LLC - CA | FRNK MAIN | VoIP | 722 | active |
| 510-767 | T-MOBILE USA, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-768 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD MN-PD | Landline | 722 | active |
| 510-769 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-770 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-771 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-772 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-773 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-774 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-775 | BANDWIDTH.COM CLEC, LLC - CA | OKLD ALMD | VoIP | 722 | active |
| 510-776 | METROPCS, INC. | RICHMOND | Wireless | 722 | active |
| 510-777 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-778 | COMCAST IP PHONE, LLC | RICHMOND | VoIP | 722 | active |
| 510-779 | LEVEL 3 COMMUNICATIONS, LLC - CA | ELSBR-PINL | Landline | 722 | active |
| 510-780 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-781 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-782 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-783 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-784 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-785 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-786 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-787 | PACIFIC BELL | CROCKETT | Landline | 722 | active |
| 510-788 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD MN-PD | Landline | 722 | active |
| 510-789 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-790 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-791 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-792 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-793 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-794 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-795 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-796 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-797 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-798 | METROPCS, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-799 | PACIFIC BELL | HRCUL-RODE | Landline | 722 | active |
| 510-800 | ONVOY, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-801 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-802 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-803 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HRCUL-RODE | Landline | 722 | active |
| 510-804 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-805 | SPOK, INC. | OKLD MN-PD | Landline | 722 | active |
| 510-806 | LEVEL 3 COMMUNICATIONS, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-807 | T-MOBILE USA, INC. | HAYWARD | Wireless | 722 | active |
| 510-808 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-809 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD BKLY | VoIP | 722 | active |
| 510-810 | T-MOBILE USA, INC. | OKLD ALMD | Wireless | 722 | active |
| 510-812 | METROPCS, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-813 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-814 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-815 | T-MOBILE USA, INC. | ELSBR-PINL | Wireless | 722 | active |
| 510-816 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-817 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-818 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-819 | ONVOY SPECTRUM, LLC | HAYWARD | Wireless | 722 | active |
| 510-820 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-821 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-822 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-823 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-824 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | Landline | 722 | active |
| 510-825 | METROPCS, INC. | HAYWARD | Wireless | 722 | active |
| 510-826 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-827 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-828 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-829 | METROPCS, INC. | RICHMOND | Wireless | 722 | active |
| 510-830 | IP HORIZON LLC | OKLD MN-PD | VoIP | 722 | active |
| 510-831 | BANDWIDTH.COM CLEC, LLC - CA | RICHMOND | VoIP | 722 | active |
| 510-832 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-833 | COMCAST IP PHONE, LLC | OKLD BKLY | VoIP | 722 | active |
| 510-834 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-835 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-836 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-837 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-838 | BANDWIDTH.COM CLEC, LLC - CA | OKLD FRTVL | VoIP | 722 | active |
| 510-839 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-840 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-841 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-842 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD FRTVL | Landline | 722 | active |
| 510-843 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-844 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD MN-PD | Landline | 722 | active |
| 510-845 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-846 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD ALMD | Wireless | 722 | active |
| 510-847 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD BKLY | Wireless | 722 | active |
| 510-848 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-849 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-850 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-851 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-852 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-853 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-854 | BANDWIDTH.COM CLEC, LLC - CA | ELSBR-PINL | VoIP | 722 | active |
| 510-855 | UTILITY TELECOM GROUP, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-856 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | Landline | 722 | active |
| 510-857 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK MAIN | Landline | 722 | active |
| 510-858 | METROPCS, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-859 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD BKLY | VoIP | 722 | active |
| 510-860 | LEVEL 3 COMMUNICATIONS, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-861 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-862 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-863 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD ALMD | Landline | 722 | active |
| 510-864 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-865 | PACIFIC BELL | OKLD ALMD | Landline | 722 | active |
| 510-866 | METROPCS, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-867 | T-MOBILE USA, INC. | OKLD MN-PD | Wireless | 722 | active |
| 510-868 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-869 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-870 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK GRNLF | Landline | 722 | active |
| 510-871 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD ALMD | Wireless | 722 | active |
| 510-872 | METROPCS, INC. | OKLD ALMD | Wireless | 722 | active |
| 510-873 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-874 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-875 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD TRNID | Landline | 722 | active |
| 510-876 | AT&T ENTERPRISES, LLC | HAYWARD | VoIP | 722 | active |
| 510-877 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | OKLD TRNID | Landline | 722 | active |
| 510-878 | COMCAST IP PHONE, LLC | OKLD TRNID | VoIP | 722 | active |
| 510-879 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-880 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-881 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-882 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-883 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-884 | UTILITY TELECOM GROUP, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-885 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-886 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-887 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-888 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-889 | PACIFIC BELL | HAYWARD | Landline | 722 | active |
| 510-890 | T-MOBILE USA, INC. | RICHMOND | Wireless | 722 | active |
| 510-891 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-892 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-893 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-894 | COMCAST IP PHONE, LLC | FRNK MAIN | VoIP | 722 | active |
| 510-895 | PACIFIC BELL | OKLD TRNID | Landline | 722 | active |
| 510-896 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-897 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK OLIVR | Landline | 722 | active |
| 510-898 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-899 | BANDWIDTH.COM CLEC, LLC - CA | OKLD MN-PD | VoIP | 722 | active |
| 510-900 | ONVOY, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-901 | BANDWIDTH.COM CLEC, LLC - CA | HAYWARD | VoIP | 722 | active |
| 510-902 | ONVOY, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-903 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-904 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD TRNID | Landline | 722 | active |
| 510-905 | METROPCS, INC. | OKLD ALMD | Wireless | 722 | active |
| 510-906 | ONVOY, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-907 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-908 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-909 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-910 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-912 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-913 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-914 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-915 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-916 | T-MOBILE USA, INC. | OKLD TRNID | Wireless | 722 | active |
| 510-917 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-918 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-919 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD MN-PD | Wireless | 722 | active |
| 510-920 | SONIC TELECOM, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-921 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-922 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-923 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-924 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD TRNID | Landline | 722 | active |
| 510-925 | BANDWIDTH.COM CLEC, LLC - CA | HAYWARD | VoIP | 722 | active |
| 510-926 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD BKLY | Wireless | 722 | active |
| 510-927 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD FRTVL | Landline | 722 | active |
| 510-928 | NEW CINGULAR WIRELESS PCS, LLC | OKLD MN-PD | Wireless | 722 | active |
| 510-929 | BANDWIDTH.COM CLEC, LLC - CA | OKLD MN-PD | VoIP | 722 | active |
| 510-930 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | OKLD FRTVL | Landline | 722 | active |
| 510-931 | LEVEL 3 COMMUNICATIONS, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-932 | T-MOBILE USA, INC. | RICHMOND | Wireless | 722 | active |
| 510-933 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | FRNK OLIVR | VoIP | 722 | active |
| 510-934 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-935 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-936 | PACIFIC BELL | FRNK MAIN | Landline | 722 | active |
| 510-937 | BANDWIDTH.COM CLEC, LLC - CA | CROCKETT | VoIP | 722 | active |
| 510-938 | METROPCS, INC. | FRNK MAIN | Wireless | 722 | active |
| 510-939 | BANDWIDTH.COM CLEC, LLC - CA | HRCUL-RODE | VoIP | 722 | active |
| 510-940 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | HAYWARD | VoIP | 722 | active |
| 510-941 | COMCAST IP PHONE, LLC | FRNK GRNLF | VoIP | 722 | active |
| 510-942 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | RICHMOND | VoIP | 722 | active |
| 510-943 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | FRNK MAIN | Landline | 722 | active |
| 510-944 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-945 | NEW CINGULAR WIRELESS PCS, LLC | FRNK GRNLF | Wireless | 722 | active |
| 510-946 | NEW CINGULAR WIRELESS PCS, LLC | FRNK OLIVR | Wireless | 722 | active |
| 510-947 | ONVOY, LLC - CA | OKLD MN-PD | Landline | 722 | active |
| 510-948 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HRCUL-RODE | Landline | 722 | active |
| 510-949 | ONVOY, LLC - CA | HRCUL-RODE | Landline | 722 | active |
| 510-951 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | Wireless | 722 | active |
| 510-952 | METROPCS, INC. | FRNK GRNLF | Wireless | 722 | active |
| 510-953 | NEW CINGULAR WIRELESS PCS, LLC | FRNK MAIN | Wireless | 722 | active |
| 510-954 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-955 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | OKLD TRNID | Landline | 722 | active |
| 510-956 | BANDWIDTH.COM CLEC, LLC - CA | OKLD ALMD | VoIP | 722 | active |
| 510-957 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | OKLD TRNID | Landline | 722 | active |
| 510-960 | AT&T - LOCAL | OKLD BKLY | Landline | 722 | active |
| 510-961 | BANDWIDTH.COM CLEC, LLC - CA | FRNK GRNLF | VoIP | 722 | active |
| 510-962 | LEVEL 3 COMMUNICATIONS, LLC - CA | HAYWARD | Landline | 722 | active |
| 510-963 | NEW CINGULAR WIRELESS PCS, LLC | HAYWARD | Wireless | 722 | active |
| 510-964 | PACIFIC BELL | ELSBR-PINL | Landline | 722 | active |
| 510-965 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-966 | ONVOY SPECTRUM, LLC | RICHMOND | Wireless | 722 | active |
| 510-967 | METROPCS, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-968 | AMERICAN MESSAGING SERVICES, LLC | FRNK MAIN | Landline | 722 | active |
| 510-969 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | OKLD TRNID | Landline | 722 | active |
| 510-970 | PACIFIC BELL | RICHMOND | Landline | 722 | active |
| 510-971 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | OKLD MN-PD | VoIP | 722 | active |
| 510-972 | COMCAST IP PHONE, LLC | FRNK GRNLF | VoIP | 722 | active |
| 510-973 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-974 | LEVEL 3 COMMUNICATIONS, LLC - CA | RICHMOND | Landline | 722 | active |
| 510-975 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | OKLD ALMD | Wireless | 722 | active |
| 510-976 | NORTH COUNTY COMMUNICATION CORPORATION - CA | OKLD BKLY | Landline | 722 | active |
| 510-977 | FRACTEL, LLC | OKLD BKLY | VoIP | 722 | active |
| 510-978 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD ALMD | Landline | 722 | active |
| 510-979 | PACIFIC BELL | FRNK OLIVR | Landline | 722 | active |
| 510-980 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | FRNK MAIN | Wireless | 722 | active |
| 510-981 | PACIFIC BELL | OKLD BKLY | Landline | 722 | active |
| 510-982 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-983 | BANDWIDTH.COM CLEC, LLC - CA | FRNK OLIVR | VoIP | 722 | active |
| 510-984 | LEVEL 3 COMMUNICATIONS, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-985 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-986 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-987 | PACIFIC BELL | OKLD MN-PD | Landline | 722 | active |
| 510-988 | T-MOBILE USA, INC. | OKLD FRTVL | Wireless | 722 | active |
| 510-989 | INTEGRATED PATH COMMUNICATIONS, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-990 | ONVOY, LLC - CA | OKLD BKLY | Landline | 722 | active |
| 510-991 | ONVOY, LLC - CA | FRNK GRNLF | Landline | 722 | active |
| 510-992 | BANDWIDTH.COM CLEC, LLC - CA | OKLD MN-PD | VoIP | 722 | active |
| 510-993 | T-MOBILE USA, INC. | OKLD BKLY | Wireless | 722 | active |
| 510-994 | BANDWIDTH.COM CLEC, LLC - CA | RICHMOND | VoIP | 722 | active |
| 510-995 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | OKLD ALMD | VoIP | 722 | active |
| 510-996 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK MAIN | Landline | 722 | active |
| 510-997 | AMERICAN MESSAGING SERVICES, LLC | OKLD MN-PD | Landline | 722 | active |
| 510-998 | NEW CINGULAR WIRELESS PCS, LLC | ELSBR-PINL | Wireless | 722 | active |
| 510-999 | ONVOY, LLC - CA | HAYWARD | Landline | 722 | active |
Related Area Codes
Area code 510 shares its geographic region with the following overlay area codes: