All assignees
800 prefixes in 405 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 405-500 | OKLA CITY | 409F | 2015-08-13 | Yes |
| 405-501 | OKLA CITY | 6534 | 2006-01-19 | Yes |
| 405-502 | OKLA CITY | 6630 | — | — |
| 405-503 | OKLA CITY | 6529 | — | Yes |
| 405-504 | MINCO | 384H | 2019-03-08 | Yes |
| 405-505 | OKLA CITY | 6529 | 2011-10-17 | Yes |
| 405-506 | BETHANY | 7258 | — | Yes |
| 405-507 | BRITTON | 409F | — | Yes |
| 405-508 | OKLA CITY | 5813 | 2011-11-15 | Yes |
| 405-509 | EDMOND | 318J | — | Yes |
| 405-510 | OKLA CITY | 318J | — | Yes |
| 405-511 | XXXXXXXXXX | MULT | — | — |
| 405-512 | OKLA CITY | 6529 | 2006-05-22 | Yes |
| 405-513 | EDMOND | 318J | — | Yes |
| 405-514 | OKLA CITY | 6529 | — | Yes |
| 405-515 | NORMAN | 530C | 2007-04-18 | Yes |
| 405-516 | OKLA CITY | 409F | — | Yes |
| 405-517 | OKLA CITY | 6534 | 2001-02-22 | — |
| 405-518 | WHEATLAND | 829J | — | Yes |
| 405-519 | OKLA CITY | 5813 | 2005-05-12 | Yes |
| 405-520 | OKLA CITY | 6529 | — | Yes |
| 405-521 | OKLA CITY | 9533 | — | Yes |
| 405-522 | OKLA CITY | 318J | — | — |
| 405-523 | OKLA CITY | 9533 | — | — |
| 405-524 | OKLA CITY | 9533 | — | — |
| 405-525 | OKLA CITY | 9533 | — | — |
| 405-526 | OKLA CITY | 409F | — | Yes |
| 405-527 | PURCELL | 1165 | — | — |
| 405-528 | OKLA CITY | 9533 | — | — |
| 405-529 | BRITTON | 409F | — | Yes |
| 405-530 | OKLA CITY | 9533 | — | — |
| 405-531 | EDMOND | 119F | 2014-05-19 | Yes |
| 405-532 | OKLA CITY | 6529 | 2006-10-13 | Yes |
| 405-533 | STILLWATER | 4630 | — | — |
| 405-534 | OKLA CITY | 6534 | 2013-03-07 | Yes |
| 405-535 | OKLA CITY | 6534 | 2005-01-10 | Yes |
| 405-536 | OKLA CITY | 409F | — | Yes |
| 405-537 | OKLA CITY | 6529 | 2007-06-01 | Yes |
| 405-538 | KINGFISHER | 6534 | 2005-03-18 | Yes |
| 405-539 | OKLA CITY | 9671 | — | — |
| 405-540 | OKLA CITY | 515J | 2021-03-02 | Yes |
| 405-541 | OKLA CITY | 5813 | 2012-04-09 | Yes |
| 405-542 | HINTON | 1995 | — | Yes |
| 405-543 | OKLA CITY | 5257 | — | Yes |
| 405-544 | CHICKASHA | 258F | 2015-05-07 | Yes |
| 405-545 | COLONY | 6534 | 2006-04-18 | Yes |
| 405-546 | OKLA CITY | 5813 | 2012-08-17 | Yes |
| 405-547 | PERKINS | 9533 | — | Yes |
| 405-548 | OKLA CITY | 732J | — | Yes |
| 405-549 | OKLA CITY | 6534 | — | Yes |
| 405-550 | OKLA CITY | 6534 | — | — |
| 405-551 | OKLA CITY | 9533 | — | Yes |
| 405-552 | OKLA CITY | 9533 | — | — |
| 405-553 | OKLA CITY | 9533 | — | — |
| 405-554 | POCASSET | 384H | 2016-02-03 | Yes |
| 405-555 | DIR ASST | MULT | — | — |
| 405-556 | OKLA CITY | 9533 | — | Yes |
| 405-557 | OKLA CITY | 9533 | — | — |
| 405-558 | OKLA CITY | 9533 | — | Yes |
| 405-559 | OKLA CITY | 6630 | — | — |
| 405-560 | OKLA CITY | 9671 | — | — |
| 405-561 | NORMAN | 5562 | 2014-09-04 | Yes |
| 405-562 | EDMOND | 829J | — | Yes |
| 405-563 | OKLA CITY | 5257 | 2008-01-03 | Yes |
| 405-564 | STILLWATER | 612K | — | Yes |
| 405-565 | OKLA CITY | 6529 | 2011-12-27 | Yes |
| 405-566 | PRAGUE | 6534 | 2006-12-14 | Yes |
| 405-567 | PRAGUE | 1165 | — | Yes |
| 405-568 | OKLA CITY | 6534 | 2008-02-15 | Yes |
| 405-569 | OKLA CITY | 6529 | 2012-05-15 | Yes |
| 405-570 | OKLA CITY | 6534 | — | — |
| 405-571 | STILLWATER | 5257 | — | Yes |
| 405-572 | — | — | ||
| 405-573 | NORMAN | 9533 | — | — |
| 405-574 | CHICKASHA | 9533 | — | Yes |
| 405-575 | OKLA CITY | 6630 | — | — |
| 405-576 | OKLA CITY | 9533 | — | Yes |
| 405-577 | YUKON | 9533 | — | Yes |
| 405-578 | YUKON | 409F | 2013-07-05 | Yes |
| 405-579 | NORMAN | 9533 | — | — |
| 405-580 | — | — | ||
| 405-581 | EARLSBORO | 5257 | 2016-09-01 | Yes |
| 405-582 | MIDWEST CY | 9533 | 2008-06-19 | Yes |
| 405-583 | MULHALL | 4630 | 2002-10-28 | Yes |
| 405-584 | SEMINOLE | 6534 | 2001-11-09 | Yes |
| 405-585 | SHAWNEE | 6529 | 2007-04-18 | Yes |
| 405-586 | MERIDIAN | 9533 | — | Yes |
| 405-587 | OKLA CITY | 9533 | 2002-06-10 | — |
| 405-588 | CHANDLER | 5257 | 2002-05-09 | Yes |
| 405-589 | CHANDLER | 6529 | 2002-05-23 | Yes |
| 405-590 | OKLA CITY | 5813 | — | — |
| 405-591 | MERIDIAN | 384H | 2015-12-16 | Yes |
| 405-592 | HOLDENVL | 5257 | 2002-05-29 | Yes |
| 405-593 | OKLA CITY | 6534 | 2008-02-15 | Yes |
| 405-594 | OKLA CITY | 409F | 2016-03-08 | Yes |
| 405-595 | OKLA CITY | 6534 | 2008-03-25 | Yes |
| 405-596 | OKLA CITY | 6534 | 2002-07-11 | — |
| 405-597 | BLANCHARD | 5257 | 2019-02-14 | Yes |
| 405-598 | TECUMSEH | 1165 | — | Yes |
| 405-599 | OKLA CITY | 9533 | — | — |
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.