PACIFIC BELL
145 prefixes in 661 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 661-200 | SNCA NHCS | 9740 | 2007-11-28 | Yes |
| 661-222 | SNCA NHCS | 9740 | — | Yes |
| 661-223 | PLDL PLDL | 9740 | — | — |
| 661-224 | PLDL PLDL | 9740 | — | — |
| 661-225 | PLDL PLDL | 9740 | — | Yes |
| 661-233 | PLDL PLDL | 9740 | — | Yes |
| 661-236 | PLDL PLDL | 9740 | — | Yes |
| 661-242 | LEBEC | 9740 | — | Yes |
| 661-245 | LEBEC | 9740 | — | Yes |
| 661-248 | LEBEC | 9740 | — | Yes |
| 661-250 | SNCA SGCC | 9740 | — | Yes |
| 661-251 | SNCA SGCC | 9740 | — | — |
| 661-252 | SNCA SGCC | 9740 | — | — |
| 661-253 | SNCA NHCS | 9740 | — | — |
| 661-254 | SNCA NHCS | 9740 | — | — |
| 661-255 | SNCA NHCS | 9740 | — | — |
| 661-256 | ROSAMOND | 9740 | — | — |
| 661-257 | SNCA NHCS | 9740 | — | — |
| 661-258 | EDWARDS | 9740 | — | Yes |
| 661-259 | SNCA NHCS | 9740 | — | — |
| 661-260 | SNCA NHCS | 9740 | — | — |
| 661-261 | BIG BUTTE | 9740 | — | Yes |
| 661-263 | SNCA SGCC | 9740 | — | Yes |
| 661-264 | PLDL PLDL | 9740 | — | Yes |
| 661-265 | PLDL PLDL | 9740 | — | Yes |
| 661-266 | PLDL PLDL | 9740 | — | — |
| 661-267 | PLDL PLDL | 9740 | — | — |
| 661-268 | PLDL AGDL | 9740 | — | Yes |
| 661-269 | PLDL PLDL | 9740 | — | Yes |
| 661-270 | PLDL LNVY | 9740 | — | Yes |
| 661-272 | PLDL PLDL | 9740 | — | — |
| 661-273 | PLDL PLDL | 9740 | — | — |
| 661-274 | PLDL PLDL | 9740 | — | — |
| 661-275 | EDWARDS | 9740 | — | — |
| 661-276 | EDWARDS | 9740 | — | Yes |
| 661-277 | EDWARDS | 9740 | — | — |
| 661-284 | SNCA NHCS | 9740 | — | — |
| 661-285 | PLDL PLDL | 9740 | — | — |
| 661-286 | SNCA NHCS | 9740 | — | Yes |
| 661-287 | SNCA NHCS | 9740 | — | — |
| 661-288 | SNCA NHCS | 9740 | — | — |
| 661-290 | SNCA NHCS | 9740 | — | — |
| 661-291 | SNCA NHCS | 9740 | — | — |
| 661-294 | SNCA NHCS | 9740 | — | — |
| 661-295 | SNCA NHCS | 9740 | — | — |
| 661-296 | SNCA SGCC | 9740 | — | — |
| 661-297 | SNCA SGCC | 9740 | — | — |
| 661-298 | SNCA SGCC | 9740 | — | Yes |
| 661-299 | SNCA SGCC | 9740 | — | Yes |
| 661-321 | BKFD MAIN | 9740 | — | Yes |
| 661-322 | BKFD MAIN | 9740 | — | — |
| 661-323 | BKFD MAIN | 9740 | — | — |
| 661-324 | BKFD MAIN | 9740 | — | — |
| 661-325 | BKFD MAIN | 9740 | — | — |
| 661-326 | BKFD MAIN | 9740 | — | — |
| 661-327 | BKFD MAIN | 9740 | — | — |
| 661-328 | BKFD MAIN | 9740 | — | — |
| 661-334 | BKFD MAIN | 9740 | — | Yes |
| 661-335 | BKFD MAIN | 9740 | — | Yes |
| 661-336 | BKFD MAIN | 9740 | — | Yes |
| 661-337 | BKFD MAIN | 9740 | — | Yes |
| 661-363 | BKFD MAIN | 9740 | — | Yes |
| 661-364 | BKFD MAIN | 9740 | — | Yes |
| 661-366 | BKFD MAIN | 9740 | — | — |
| 661-383 | SNCA NHCS | 9740 | 2015-02-17 | Yes |
| 661-387 | BKFD NORTH | 9740 | — | Yes |
| 661-391 | BKFD NORTH | 9740 | — | — |
| 661-392 | BKFD NORTH | 9740 | — | — |
| 661-393 | BKFD NORTH | 9740 | — | — |
| 661-394 | BKFD MAIN | 9740 | — | Yes |
| 661-395 | BKFD MAIN | 9740 | — | — |
| 661-396 | BKFD SOUTH | 9740 | — | Yes |
| 661-397 | BKFD SOUTH | 9740 | — | — |
| 661-398 | BKFD SOUTH | 9740 | — | — |
| 661-399 | BKFD NORTH | 9740 | — | — |
| 661-424 | SNCA SGCC | 9740 | — | Yes |
| 661-513 | SNCA SGCC | 9740 | — | Yes |
| 661-533 | PLDL PLDL | 9740 | — | Yes |
| 661-537 | PLDL PLDL | 9740 | — | Yes |
| 661-538 | PLDL PLDL | 9740 | — | — |
| 661-540 | PLDL PLDL | 9740 | — | Yes |
| 661-572 | PLDL PLDL | 9740 | — | — |
| 661-574 | PLDL PLDL | 9740 | — | Yes |
| 661-575 | PLDL PLDL | 9740 | — | Yes |
| 661-587 | BKFD NORTH | 9740 | — | — |
| 661-588 | BKFD NORTH | 9740 | — | — |
| 661-589 | BKFD NORTH | 9740 | — | — |
| 661-607 | SNCA NHCS | 9740 | — | Yes |
| 661-631 | BKFD MAIN | 9740 | — | — |
| 661-632 | BKFD MAIN | 9740 | — | Yes |
| 661-633 | BKFD MAIN | 9740 | — | Yes |
| 661-634 | BKFD MAIN | 9740 | — | Yes |
| 661-635 | BKFD MAIN | 9740 | — | — |
| 661-636 | BKFD MAIN | 9740 | — | Yes |
| 661-637 | BKFD MAIN | 9740 | — | Yes |
| 661-638 | BKFD MAIN | 9740 | — | Yes |
| 661-654 | BKFD SOUTH | 9740 | — | Yes |
| 661-663 | BKFD SOUTH | 9740 | — | — |
| 661-664 | BKFD SOUTH | 9740 | — | — |
| 661-665 | BKFD SOUTH | 9740 | — | Yes |
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.