PACIFIC BELL
250 prefixes in 310 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 310-201 | BEVERLYHLS | 9740 | — | — |
| 310-202 | CULVERCITY | 9740 | — | — |
| 310-203 | BEVERLYHLS | 9740 | — | — |
| 310-204 | CULVERCITY | 9740 | — | — |
| 310-205 | BEVERLYHLS | 9740 | — | — |
| 310-212 | TORRANCE | 9740 | — | — |
| 310-215 | INGLEWOOD | 9740 | — | — |
| 310-216 | INGLEWOOD | 9740 | — | Yes |
| 310-217 | CMTN GRDN | 9740 | — | — |
| 310-219 | HAWTHORNE | 9740 | — | Yes |
| 310-221 | SAN PEDRO | 9740 | — | Yes |
| 310-222 | TORRANCE | 9740 | — | — |
| 310-223 | CMTN CMTN | 9740 | — | — |
| 310-224 | TORRANCE | 9740 | — | — |
| 310-225 | CMTN GRDN | 9740 | — | Yes |
| 310-226 | BEVERLYHLS | 9740 | — | — |
| 310-229 | BEVERLYHLS | 9740 | — | — |
| 310-233 | SAN PEDRO | 9740 | — | — |
| 310-241 | SAN PEDRO | 9740 | — | Yes |
| 310-243 | CMTN GRDN | 9740 | — | Yes |
| 310-244 | CULVERCITY | 9740 | — | — |
| 310-246 | BEVERLYHLS | 9740 | — | — |
| 310-247 | BEVERLYHLS | 9740 | — | — |
| 310-248 | BEVERLYHLS | 9740 | — | Yes |
| 310-252 | EL SEGUNDO | 9740 | — | — |
| 310-253 | CULVERCITY | 9740 | — | — |
| 310-257 | LOMITA | 9740 | — | — |
| 310-258 | INGLEWOOD | 9740 | — | — |
| 310-263 | HAWTHORNE | 9740 | — | Yes |
| 310-270 | BEVERLYHLS | 9740 | — | Yes |
| 310-271 | BEVERLYHLS | 9740 | — | — |
| 310-273 | BEVERLYHLS | 9740 | — | — |
| 310-274 | BEVERLYHLS | 9740 | — | — |
| 310-275 | BEVERLYHLS | 9740 | — | — |
| 310-276 | BEVERLYHLS | 9740 | — | — |
| 310-277 | BEVERLYHLS | 9740 | — | — |
| 310-278 | BEVERLYHLS | 9740 | — | — |
| 310-279 | BEVERLYHLS | 9740 | — | Yes |
| 310-280 | CULVERCITY | 9740 | — | Yes |
| 310-281 | BEVERLYHLS | 9740 | — | — |
| 310-282 | BEVERLYHLS | 9740 | — | — |
| 310-284 | BEVERLYHLS | 9740 | — | — |
| 310-285 | BEVERLYHLS | 9740 | — | — |
| 310-286 | BEVERLYHLS | 9740 | — | — |
| 310-287 | CULVERCITY | 9740 | — | — |
| 310-288 | BEVERLYHLS | 9740 | — | — |
| 310-289 | BEVERLYHLS | 9740 | — | Yes |
| 310-297 | HAWTHORNE | 9740 | — | Yes |
| 310-320 | TORRANCE | 9740 | — | — |
| 310-322 | EL SEGUNDO | 9740 | — | — |
| 310-323 | CMTN GRDN | 9740 | — | — |
| 310-324 | CMTN GRDN | 9740 | — | — |
| 310-325 | LOMITA | 9740 | — | — |
| 310-326 | LOMITA | 9740 | — | — |
| 310-327 | CMTN GRDN | 9740 | — | — |
| 310-328 | TORRANCE | 9740 | — | — |
| 310-329 | CMTN GRDN | 9740 | — | — |
| 310-330 | INGLEWOOD | 9740 | — | Yes |
| 310-331 | HAWTHORNE | 9740 | — | Yes |
| 310-332 | HAWTHORNE | 9740 | — | — |
| 310-333 | EL SEGUNDO | 9740 | — | — |
| 310-334 | EL SEGUNDO | 9740 | — | Yes |
| 310-335 | EL SEGUNDO | 9740 | — | — |
| 310-336 | EL SEGUNDO | 9740 | — | — |
| 310-337 | INGLEWOOD | 9740 | — | — |
| 310-338 | INGLEWOOD | 9740 | — | — |
| 310-342 | INGLEWOOD | 9740 | — | — |
| 310-348 | INGLEWOOD | 9740 | — | — |
| 310-349 | HAWTHORNE | 9740 | — | Yes |
| 310-352 | CMTN GRDN | 9740 | — | Yes |
| 310-353 | CMTN GRDN | 9740 | — | Yes |
| 310-354 | CMTN GRDN | 9740 | — | — |
| 310-355 | HAWTHORNE | 9740 | — | Yes |
| 310-358 | BEVERLYHLS | 9740 | — | — |
| 310-360 | BEVERLYHLS | 9740 | — | — |
| 310-363 | HAWTHORNE | 9740 | — | Yes |
| 310-364 | EL SEGUNDO | 9740 | — | — |
| 310-366 | CMTN GRDN | 9740 | — | — |
| 310-380 | CMTN GRDN | 9740 | — | Yes |
| 310-381 | TORRANCE | 9740 | — | Yes |
| 310-385 | BEVERLYHLS | 9740 | — | — |
| 310-407 | BEVERLYHLS | 9740 | — | Yes |
| 310-410 | INGLEWOOD | 9740 | — | — |
| 310-412 | INGLEWOOD | 9740 | — | — |
| 310-414 | EL SEGUNDO | 9740 | — | Yes |
| 310-416 | EL SEGUNDO | 9740 | — | — |
| 310-417 | INGLEWOOD | 9740 | — | Yes |
| 310-419 | INGLEWOOD | 9740 | — | — |
| 310-423 | BEVERLYHLS | 9740 | — | — |
| 310-426 | EL SEGUNDO | 9740 | — | Yes |
| 310-468 | TORRANCE | 9740 | — | — |
| 310-510 | AVALON | 9740 | — | Yes |
| 310-512 | CMTN GRDN | 9740 | — | — |
| 310-513 | SAN PEDRO | 9740 | — | Yes |
| 310-514 | SAN PEDRO | 9740 | — | Yes |
| 310-515 | CMTN GRDN | 9740 | — | — |
| 310-516 | CMTN GRDN | 9740 | — | — |
| 310-517 | LOMITA | 9740 | — | — |
| 310-518 | SAN PEDRO | 9740 | — | — |
| 310-519 | SAN PEDRO | 9740 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.