All assignees
542 prefixes in 251 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 251-500 | FOLEY | 773F | 2010-11-29 | Yes |
| 251-501 | MOBILE | 506J | 2020-09-30 | Yes |
| 251-502 | FOLEY | 6214 | 2025-03-06 | Yes |
| 251-503 | MOBILE | 7229 | 2025-04-08 | Yes |
| 251-504 | FOLEY | 6804 | — | Yes |
| 251-505 | FRISCOCITY | 624H | 2021-10-14 | Yes |
| 251-506 | FAIRHOPE | 478J | 2025-04-22 | Yes |
| 251-507 | MOBILE | 6214 | 2025-04-23 | Yes |
| 251-508 | MOBILE | 6916 | — | Yes |
| 251-509 | MOBILE | 8271 | — | Yes |
| 251-510 | MOBILE | 6214 | — | — |
| 251-511 | XXXXXXXXXX | MULT | — | — |
| 251-512 | COFFEEVL | 604E | 2019-10-14 | Yes |
| 251-513 | MOBILE | 6804 | — | Yes |
| 251-514 | FOLEY | 6214 | 2025-04-24 | Yes |
| 251-515 | BAYMINETTE | 604E | 2021-05-25 | Yes |
| 251-516 | MOBILE | 6214 | 2025-05-28 | Yes |
| 251-517 | FAIRHOPE | 5255 | 2002-04-29 | Yes |
| 251-518 | MOBILE | 5562 | — | Yes |
| 251-519 | DAUPHIN IS | 604E | 2021-11-04 | Yes |
| 251-520 | MOBILE | 939H | 2022-01-19 | Yes |
| 251-521 | GRAND BAY | 604E | 2021-09-03 | Yes |
| 251-522 | COFFEEVL | 604E | 2021-11-04 | Yes |
| 251-523 | MT VERNON | 604E | 2021-09-03 | Yes |
| 251-524 | MOBILE | 6214 | 2025-05-28 | Yes |
| 251-525 | MOBILE | 6804 | — | Yes |
| 251-526 | MOBILE | 6214 | 2025-06-12 | Yes |
| 251-527 | MOBILE | 6214 | 2025-06-12 | Yes |
| 251-528 | MOBILE | 6214 | 2025-06-12 | Yes |
| 251-529 | MOBILE | 965H | 2019-12-02 | Yes |
| 251-530 | PINE APPLE | 604E | 2021-01-25 | Yes |
| 251-531 | MT VERNON | 321J | 2025-08-21 | Yes |
| 251-532 | FOLEY | 6214 | 2025-10-06 | Yes |
| 251-533 | MOBILE | 6804 | — | — |
| 251-534 | MOBILE | 700J | 2025-10-17 | Yes |
| 251-535 | FOLEY | 6214 | 2025-11-17 | Yes |
| 251-536 | FOLEY | 6214 | 2025-11-17 | Yes |
| 251-537 | FOLEY | 6214 | 2025-11-17 | Yes |
| 251-538 | BREWTON | 6804 | 2005-02-22 | Yes |
| 251-539 | FOLEY | 6214 | 2026-08-12 | Yes |
| 251-540 | FOLEY | 0298 | — | — |
| 251-542 | SILAS | 0304 | — | — |
| 251-543 | FOLEY | 0298 | — | Yes |
| 251-544 | MOBILE | 829J | — | — |
| 251-545 | MOBILE | 5255 | 2002-05-13 | Yes |
| 251-550 | FOLEY | 6581 | 2001-01-03 | — |
| 251-551 | PINE APPLE | 604E | 2018-09-19 | Yes |
| 251-552 | BAYOUBATRE | 604E | 2022-03-30 | Yes |
| 251-553 | IRNGTNSTEL | 604E | 2022-03-30 | Yes |
| 251-554 | MOBILE | 6916 | — | — |
| 251-555 | DIR ASST | MULT | — | — |
| 251-556 | FINCHBURG | 604E | 2022-03-30 | Yes |
| 251-557 | PETERMAN | 604E | 2022-03-30 | Yes |
| 251-564 | PETERMAN | 0306 | — | Yes |
| 251-566 | GOSPORT | 624H | 2021-11-04 | Yes |
| 251-567 | MCINTOSH | 604E | 2022-09-01 | Yes |
| 251-568 | MOBILE | 6630 | — | — |
| 251-571 | BAYMINETTE | 604E | 2022-08-31 | Yes |
| 251-572 | FRISCOCITY | 604E | 2018-11-16 | Yes |
| 251-574 | MOBILE | 9419 | — | — |
| 251-575 | MONROEVL | 0306 | — | — |
| 251-577 | MCCULLOUGH | 4464 | — | Yes |
| 251-578 | EVERGREEN | 9419 | — | Yes |
| 251-580 | BAYMINETTE | 9419 | — | Yes |
| 251-581 | MOBILE | 6744 | — | Yes |
| 251-582 | MOBILE | 6630 | — | — |
| 251-583 | MOBILE | 5562 | — | Yes |
| 251-586 | MOBILE | 829J | — | Yes |
| 251-587 | MOBILE | 114J | 2026-01-09 | Yes |
| 251-588 | MOBILE | 6214 | 2025-03-06 | Yes |
| 251-589 | JACKSON | 6214 | — | Yes |
| 251-591 | MOBILE | 6214 | — | — |
| 251-593 | MONROEVL | 6214 | — | — |
| 251-597 | FOLEY | 6804 | — | Yes |
| 251-599 | MOBILE | 6214 | 2001-01-03 | — |
| 251-600 | FOLEY | 773F | 2010-12-16 | Yes |
| 251-602 | MOBILE | 9419 | — | — |
| 251-604 | MOBILE | 6214 | — | — |
| 251-605 | MOBILE | 6214 | — | — |
| 251-606 | PINE APPLE | 624H | 2021-10-14 | Yes |
| 251-607 | MOBILE | 9419 | — | Yes |
| 251-609 | FOLEY | 6916 | — | Yes |
| 251-610 | MOBILE | 6214 | — | — |
| 251-611 | XXXXXXXXXX | MULT | — | — |
| 251-615 | FAIRHOPE | 604E | 2021-05-25 | Yes |
| 251-616 | CLEAR SPG | 5255 | 2005-03-02 | Yes |
| 251-617 | MOBILE | 6630 | — | — |
| 251-620 | MOBILE | 947G | 2018-01-16 | Yes |
| 251-621 | MOBILE | 9419 | — | — |
| 251-622 | MOBILE | 829J | 2006-06-21 | Yes |
| 251-623 | MOBILE | 6916 | 2002-01-03 | Yes |
| 251-625 | MOBILE | 9419 | — | Yes |
| 251-626 | MOBILE | 9419 | — | — |
| 251-631 | MOBILE | 9419 | — | Yes |
| 251-633 | MOBILE | 9419 | — | — |
| 251-634 | MOBILE | 9419 | — | — |
| 251-635 | MOBILE | 9419 | — | Yes |
| 251-638 | MOBILE | 947G | — | — |
| 251-639 | MOBILE | 9419 | — | — |
| 251-643 | MOBILE | 9419 | — | 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.