All assignees
542 prefixes in 251 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 251-400 | GROVE HILL | 9736 | 2016-12-12 | — |
| 251-401 | MOBILE | 6804 | — | — |
| 251-402 | MOBILE | 6804 | — | — |
| 251-403 | FOLEY | 6214 | 2022-08-05 | Yes |
| 251-404 | MOBILE | 6214 | 2001-06-27 | Yes |
| 251-405 | MOBILE | 9419 | — | Yes |
| 251-406 | MOBILE | 6214 | 2002-04-04 | Yes |
| 251-407 | FOLEY | 6916 | 2022-08-10 | Yes |
| 251-408 | MOBILE | 9419 | — | Yes |
| 251-409 | ATMORE | 6916 | 2022-08-25 | Yes |
| 251-410 | MOBILE | 947G | 2002-07-31 | — |
| 251-411 | XXXXXXXXXX | MULT | — | — |
| 251-412 | MCINTOSH | 6916 | 2022-09-20 | Yes |
| 251-413 | JACKSON | 6916 | 2022-09-20 | Yes |
| 251-414 | MOBILE | 9419 | — | Yes |
| 251-415 | MOBILE | 9419 | — | Yes |
| 251-416 | JACKSON | 6916 | 2022-09-20 | Yes |
| 251-417 | MOBILE | 6630 | — | — |
| 251-418 | MCINTOSH | 5255 | 2002-04-29 | Yes |
| 251-419 | ATMORE | 6916 | 2023-01-04 | Yes |
| 251-420 | BEATRICE | 604E | 2021-01-25 | Yes |
| 251-421 | MOBILE | 6804 | — | — |
| 251-422 | MOBILE | 6804 | — | — |
| 251-423 | MOBILE | 6804 | — | — |
| 251-424 | FOLEY | 6744 | — | Yes |
| 251-425 | MOBILE | 947G | — | — |
| 251-426 | MOBILE | 476H | 2023-01-19 | Yes |
| 251-427 | FAIRHOPE | 732J | 2023-02-14 | Yes |
| 251-428 | HUXFORD | 6804 | 2004-12-16 | Yes |
| 251-429 | GRAND BAY | 490J | 2023-03-24 | Yes |
| 251-430 | COFFEEVL | 604E | 2021-01-25 | Yes |
| 251-431 | MOBILE | 9419 | — | Yes |
| 251-432 | MOBILE | 9419 | — | — |
| 251-433 | MOBILE | 9419 | — | — |
| 251-434 | MOBILE | 9419 | — | Yes |
| 251-435 | MOBILE | 9419 | — | — |
| 251-436 | MOBILE | 9419 | — | Yes |
| 251-437 | FOLEY | 8271 | 2023-06-06 | Yes |
| 251-438 | MOBILE | 9419 | — | — |
| 251-439 | MOBILE | 9419 | — | Yes |
| 251-440 | FRISCOCITY | 604E | 2021-01-25 | Yes |
| 251-441 | MOBILE | 9419 | — | Yes |
| 251-442 | MOBILE | 9419 | — | Yes |
| 251-443 | MOBILE | 9419 | — | — |
| 251-444 | MOBILE | 604E | 2015-02-18 | Yes |
| 251-445 | MOBILE | 947G | 2002-06-12 | — |
| 251-446 | ATMORE | 4464 | — | — |
| 251-447 | MOBILE | 9419 | — | Yes |
| 251-448 | MCCULLOUGH | 624H | 2021-02-03 | Yes |
| 251-449 | FINCHBURG | 624H | 2021-02-03 | Yes |
| 251-450 | MOBILE | 9419 | — | Yes |
| 251-451 | GOSPORT | 604E | 2018-09-19 | Yes |
| 251-452 | MOBILE | 9419 | — | — |
| 251-453 | CITRONELLE | 604E | 2023-06-29 | Yes |
| 251-454 | MOBILE | 6214 | — | — |
| 251-455 | MOBILE | 6214 | — | — |
| 251-456 | MOBILE | 9419 | — | — |
| 251-457 | MOBILE | 9419 | — | — |
| 251-458 | MOBILE | 6916 | — | — |
| 251-459 | MOBILE | 9419 | — | Yes |
| 251-460 | MOBILE | 9419 | — | Yes |
| 251-461 | MOBILE | 9419 | — | Yes |
| 251-462 | FOWL RIVER | 318J | 2023-08-23 | Yes |
| 251-463 | MOBILE | 6214 | — | — |
| 251-464 | BEATRICE | 939H | 2023-08-22 | Yes |
| 251-465 | MOBILE | 965H | 2020-07-13 | Yes |
| 251-466 | HUXFORD | 939H | 2023-08-22 | Yes |
| 251-467 | EXCEL | 604E | 2023-08-25 | Yes |
| 251-468 | MOBILE | 604E | 2023-10-16 | Yes |
| 251-469 | MOBILE | 604E | 2024-01-08 | Yes |
| 251-470 | MOBILE | 9419 | — | — |
| 251-471 | MOBILE | 9419 | — | — |
| 251-472 | MOBILE | 9419 | — | Yes |
| 251-473 | MOBILE | 9419 | — | Yes |
| 251-474 | MCINTOSH | 939H | 2024-02-02 | Yes |
| 251-475 | FOLEY | 6214 | 2024-07-24 | Yes |
| 251-476 | MOBILE | 9419 | — | — |
| 251-477 | MOBILE | 6214 | 2024-02-12 | Yes |
| 251-478 | MOBILE | 9419 | — | — |
| 251-479 | MOBILE | 9419 | — | — |
| 251-480 | MONROEVL | 604E | 2021-01-25 | Yes |
| 251-481 | MOBILE | 939H | 2024-02-12 | Yes |
| 251-482 | BAYMINETTE | 604E | 2024-02-29 | Yes |
| 251-483 | FOLEY | 6214 | 2024-03-05 | Yes |
| 251-484 | FOLEY | 6804 | 2024-03-07 | Yes |
| 251-485 | MOBILE | 6214 | 2024-05-09 | Yes |
| 251-486 | MOBILE | 072F | 2024-05-13 | Yes |
| 251-487 | MOBILE | 6804 | — | Yes |
| 251-488 | CASTLEBRY | 773F | 2024-08-08 | Yes |
| 251-489 | MOBILE | 6214 | 2024-09-26 | Yes |
| 251-490 | MOBILE | 6214 | — | — |
| 251-491 | BAYMINETTE | 947G | 2007-04-24 | — |
| 251-492 | GILBERTOWN | 8271 | 2024-10-07 | Yes |
| 251-493 | FOLEY | 6214 | 2024-10-24 | Yes |
| 251-494 | BAYMINETTE | 5255 | — | Yes |
| 251-495 | FOLEY | 6804 | 2024-11-26 | Yes |
| 251-496 | FOLEY | 6214 | 2025-01-16 | Yes |
| 251-497 | MOBILE | 6214 | 2025-02-14 | Yes |
| 251-498 | FOLEY | 6214 | 2025-04-02 | Yes |
| 251-499 | MOBILE | 8271 | 2025-02-14 | 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.