All assignees
583 prefixes in 504 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 504-503 | NEWORLEANS | 181D | 2012-09-11 | Yes |
| 504-504 | NEWORLEANS | 749E | 2022-09-27 | Yes |
| 504-505 | NEWORLEANS | 150C | 2013-01-30 | Yes |
| 504-506 | KENNER | 598J | 2024-10-08 | Yes |
| 504-507 | NEWORLEANS | 9419 | 2014-07-16 | Yes |
| 504-508 | NEWORLEANS | 6505 | — | Yes |
| 504-509 | NEWORLEANS | 150C | 2014-10-30 | Yes |
| 504-510 | NEWORLEANS | 516C | 2014-10-31 | Yes |
| 504-511 | XXXXXXXXXX | MULT | — | — |
| 504-512 | NEWORLEANS | 6505 | — | — |
| 504-513 | NEWORLEANS | 5562 | 2014-12-08 | Yes |
| 504-514 | NEWORLEANS | 749E | 2024-10-14 | Yes |
| 504-515 | LAFITTE | 153F | 2014-09-02 | Yes |
| 504-516 | NEWORLEANS | 5562 | 2015-10-28 | Yes |
| 504-517 | NEWORLEANS | 477H | 2014-12-09 | Yes |
| 504-518 | NEWORLEANS | 508J | 2015-11-04 | Yes |
| 504-519 | NEWORLEANS | 6214 | 2024-12-16 | Yes |
| 504-520 | NEWORLEANS | 6214 | 2002-04-30 | Yes |
| 504-521 | NEWORLEANS | 9419 | — | Yes |
| 504-522 | NEWORLEANS | 9419 | — | — |
| 504-523 | NEWORLEANS | 9419 | — | — |
| 504-524 | NEWORLEANS | 9419 | — | — |
| 504-525 | NEWORLEANS | 9419 | — | — |
| 504-526 | NEWORLEANS | 7488 | 2005-03-24 | Yes |
| 504-527 | NEWORLEANS | 9419 | — | Yes |
| 504-528 | NEWORLEANS | 9419 | — | Yes |
| 504-529 | NEWORLEANS | 9419 | — | Yes |
| 504-530 | XXXXXXXXXX | 9419 | — | — |
| 504-531 | NEWORLEANS | 624H | 2025-01-28 | Yes |
| 504-532 | NEWORLEANS | 6214 | 2025-02-07 | Yes |
| 504-533 | NEWORLEANS | 9419 | — | Yes |
| 504-534 | VENICE | 9419 | 2007-04-19 | Yes |
| 504-535 | NEWORLEANS | 150C | — | Yes |
| 504-536 | NEWORLEANS | 490J | 2025-03-03 | Yes |
| 504-537 | NEWORLEANS | 749E | 2025-03-14 | Yes |
| 504-538 | NEWORLEANS | 6630 | — | — |
| 504-539 | NEWORLEANS | 9419 | — | Yes |
| 504-540 | NEWORLEANS | 6630 | — | — |
| 504-541 | NEWORLEANS | 150C | — | Yes |
| 504-544 | NEWORLEANS | 9419 | — | Yes |
| 504-545 | LAFITTE | 749E | 2023-01-13 | Yes |
| 504-546 | NEWORLEANS | 6630 | — | — |
| 504-547 | NEWORLEANS | 9419 | — | Yes |
| 504-550 | NEWORLEANS | 6630 | — | — |
| 504-551 | NEWORLEANS | 6630 | — | — |
| 504-552 | NEWORLEANS | 9419 | — | Yes |
| 504-553 | NEWORLEANS | 9419 | — | Yes |
| 504-554 | NEWORLEANS | 6505 | — | — |
| 504-555 | DIR ASST | MULT | — | — |
| 504-556 | NEWORLEANS | 9419 | — | Yes |
| 504-558 | NEWORLEANS | 9419 | — | Yes |
| 504-559 | KENNER | 6214 | — | — |
| 504-560 | NEWORLEANS | 6630 | — | — |
| 504-561 | NEWORLEANS | 9419 | — | Yes |
| 504-563 | NEWORLEANS | 150C | 2011-12-13 | Yes |
| 504-564 | NEWORLEANS | 9419 | 2007-04-19 | Yes |
| 504-565 | NEWORLEANS | 9419 | — | Yes |
| 504-566 | NEWORLEANS | 9419 | — | Yes |
| 504-568 | NEWORLEANS | 9419 | — | — |
| 504-569 | NEWORLEANS | 9419 | — | Yes |
| 504-570 | NEWORLEANS | 9419 | 2005-04-18 | Yes |
| 504-571 | NEWORLEANS | 9419 | — | Yes |
| 504-572 | NEWORLEANS | 6630 | — | — |
| 504-575 | KENNER | 150C | 2008-03-03 | Yes |
| 504-576 | NEWORLEANS | 9419 | — | Yes |
| 504-577 | NEWORLEANS | 6505 | — | Yes |
| 504-578 | NEWORLEANS | 6505 | — | Yes |
| 504-579 | NEWORLEANS | 6505 | — | Yes |
| 504-580 | VENICE | 624H | 2024-01-08 | Yes |
| 504-581 | NEWORLEANS | 9419 | — | Yes |
| 504-582 | NEWORLEANS | 9419 | — | Yes |
| 504-583 | NEWORLEANS | 6505 | — | — |
| 504-584 | NEWORLEANS | 9419 | — | Yes |
| 504-585 | NEWORLEANS | 9419 | — | — |
| 504-586 | NEWORLEANS | 9419 | — | — |
| 504-587 | NEWORLEANS | 9419 | — | — |
| 504-588 | NEWORLEANS | 9419 | — | Yes |
| 504-589 | NEWORLEANS | 9419 | — | — |
| 504-592 | NEWORLEANS | 9419 | — | Yes |
| 504-593 | NEWORLEANS | 9419 | — | — |
| 504-595 | NEWORLEANS | 9419 | — | Yes |
| 504-596 | NEWORLEANS | 9419 | — | Yes |
| 504-597 | NEWORLEANS | 9419 | — | — |
| 504-598 | NEWORLEANS | 9419 | — | Yes |
| 504-599 | NEWORLEANS | 9419 | — | — |
| 504-600 | KENNER | 150C | 2010-11-09 | Yes |
| 504-602 | KENNER | 829J | — | Yes |
| 504-603 | NEWORLEANS | 153F | 2015-02-24 | Yes |
| 504-605 | NEWORLEANS | 318J | — | Yes |
| 504-606 | KENNER | 150C | — | Yes |
| 504-607 | KENNER | 150C | 2011-10-20 | Yes |
| 504-608 | NEWORLEANS | 749E | 2015-11-18 | Yes |
| 504-609 | NEWORLEANS | 150C | — | Yes |
| 504-610 | KENNER | 150C | — | Yes |
| 504-611 | XXXXXXXXXX | MULT | — | — |
| 504-612 | LAFITTE | 153F | 2016-08-25 | Yes |
| 504-613 | NEWORLEANS | 7421 | — | Yes |
| 504-615 | NEWORLEANS | 6214 | — | — |
| 504-616 | NEWORLEANS | 6214 | — | — |
| 504-617 | KENNER | 7488 | — | 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.