All assignees
800 prefixes in 404 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 404-500 | ATLANTA | 067D | 2012-10-08 | Yes |
| 404-501 | ATLANTA | 9417 | — | — |
| 404-502 | ATLANTA | 6214 | — | — |
| 404-503 | ATLANTA | 7473 | — | Yes |
| 404-504 | ATLANTA | 9417 | — | — |
| 404-505 | ATLANTA | 9417 | — | — |
| 404-506 | ATLANTA | 9417 | — | — |
| 404-507 | ATLANTA | 9417 | — | Yes |
| 404-508 | ATLANTA | 9417 | — | — |
| 404-509 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-510 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-511 | XXXXXXXXXX | MULT | — | — |
| 404-512 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-513 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-514 | ATLANTA | 7473 | 2002-04-08 | Yes |
| 404-515 | ATLANTA | 9417 | — | — |
| 404-516 | ATLANTA | 7421 | — | Yes |
| 404-517 | ATLANTA | 624H | 2022-04-29 | Yes |
| 404-518 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-519 | ATLANTA | 6540 | 2001-05-03 | Yes |
| 404-520 | ATLANTA | 6540 | — | — |
| 404-521 | ATLANTA | 9417 | — | Yes |
| 404-522 | ATLANTA | 9417 | — | — |
| 404-523 | ATLANTA | 9417 | — | — |
| 404-524 | ATLANTA | 9417 | — | — |
| 404-525 | ATLANTA | 9417 | — | — |
| 404-526 | ATLANTA | 9417 | — | — |
| 404-527 | ATLANTA | 9417 | — | Yes |
| 404-528 | ATLANTA | 7473 | 2013-05-20 | Yes |
| 404-529 | ATLANTA | 9417 | — | — |
| 404-530 | ATLANTA | 9417 | — | Yes |
| 404-531 | ATLANTA | 9417 | — | Yes |
| 404-532 | ATLANTA | 9417 | — | Yes |
| 404-533 | ATLANTA | 624H | 2022-07-19 | Yes |
| 404-534 | ATLANTA | 9417 | — | Yes |
| 404-535 | ATLANTA | 6744 | — | — |
| 404-536 | ATLANTA | 6214 | — | — |
| 404-537 | ATLANTA | 067D | — | Yes |
| 404-538 | ATLANTA | 6214 | — | — |
| 404-539 | ATLANTA | 6214 | — | — |
| 404-540 | ATLANTA | 616J | 2025-05-15 | Yes |
| 404-541 | ATLANTA | 9417 | — | — |
| 404-542 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-543 | ATLANTA | 7473 | 2002-04-08 | — |
| 404-544 | ATLANTA | 9417 | 2019-08-14 | Yes |
| 404-545 | ATLANTA | 6214 | — | — |
| 404-546 | ATLANTA | 9417 | 2007-02-21 | Yes |
| 404-547 | ATLANTA | 7473 | 2002-04-08 | Yes |
| 404-548 | ATLANTA | 6540 | 2012-01-13 | Yes |
| 404-549 | ATLANTA | 6116 | 2006-01-23 | Yes |
| 404-550 | ATLANTA | 6540 | — | — |
| 404-551 | ATLANTA | 5562 | 2005-02-09 | Yes |
| 404-552 | ATLANTA | 5562 | 2005-05-31 | Yes |
| 404-553 | ATLANTA | 9417 | — | Yes |
| 404-554 | ATLANTA | 829J | — | Yes |
| 404-555 | DIR ASST | MULT | — | — |
| 404-556 | ATLANTA | 6540 | — | — |
| 404-557 | ATLANTA | 7473 | — | Yes |
| 404-558 | ATLANTA | 6540 | — | — |
| 404-559 | ATLANTA | 9417 | — | — |
| 404-560 | ATLANTA | 8392 | 2022-11-16 | Yes |
| 404-561 | ATLANTA | 6540 | — | — |
| 404-562 | ATLANTA | 9417 | — | — |
| 404-563 | ATLANTA | 7473 | 2007-10-03 | Yes |
| 404-564 | ATLANTA | 829J | — | — |
| 404-565 | ATLANTA | 7473 | 2012-03-12 | Yes |
| 404-566 | ATLANTA | 5562 | 2010-02-17 | Yes |
| 404-567 | ATLANTA | 7473 | 2004-11-02 | Yes |
| 404-568 | ATLANTA | 9417 | 2005-09-06 | Yes |
| 404-569 | ATLANTA | 7473 | — | Yes |
| 404-570 | ATLANTA | 9748 | — | — |
| 404-571 | ATLANTA | 9748 | — | — |
| 404-572 | ATLANTA | 9417 | — | — |
| 404-573 | ATLANTA | 9417 | — | Yes |
| 404-574 | ATLANTA | 6214 | — | Yes |
| 404-575 | ATLANTA | 9417 | — | — |
| 404-576 | ATLANTA | 6540 | 2009-10-12 | Yes |
| 404-577 | ATLANTA | 9417 | — | — |
| 404-578 | ATLANTA | 7473 | — | — |
| 404-579 | ATLANTA | 7473 | — | — |
| 404-580 | ATLANTA | 6214 | — | — |
| 404-581 | ATLANTA | 9417 | — | Yes |
| 404-582 | ATLANTA | 9417 | — | — |
| 404-583 | ATLANTA | 6214 | — | — |
| 404-584 | ATLANTA | 9417 | — | — |
| 404-585 | ATLANTA | 6540 | 2008-09-17 | Yes |
| 404-586 | ATLANTA | 9417 | — | Yes |
| 404-587 | ATLANTA | 5562 | 2001-10-25 | Yes |
| 404-588 | ATLANTA | 9417 | — | — |
| 404-589 | ATLANTA | 9417 | — | — |
| 404-590 | ATLANTA | 6540 | 2009-10-15 | Yes |
| 404-591 | ATLANTA | 7435 | — | — |
| 404-592 | ATLANTA | 6116 | — | Yes |
| 404-593 | ATLANTA | 7473 | — | Yes |
| 404-594 | ATLANTA | 6540 | 2012-02-21 | Yes |
| 404-595 | ATLANTA | 067D | 2021-10-13 | Yes |
| 404-596 | ATLANTA | 6540 | 2012-02-13 | Yes |
| 404-597 | ATLANTA | 7473 | — | Yes |
| 404-598 | ATLANTA | 9417 | — | — |
| 404-599 | ATLANTA | 7473 | 2011-12-09 | 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.