All assignees
800 prefixes in 646 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 646-500 | NWYRCYZN01 | 5562 | 2009-04-21 | Yes |
| 646-501 | NWYRCYZN01 | 7126 | 2009-11-03 | Yes |
| 646-502 | NWYRCYZN01 | 829J | 2005-02-08 | Yes |
| 646-503 | NWYRCYZN01 | 384C | — | Yes |
| 646-504 | NWYRCYZN01 | 997E | 2010-03-04 | Yes |
| 646-505 | NWYRCYZN01 | 9104 | — | Yes |
| 646-506 | NWYRCYZN01 | 6622 | — | Yes |
| 646-507 | NWYRCYZN01 | 829J | — | — |
| 646-508 | NWYRCYZN01 | 6622 | — | Yes |
| 646-509 | NWYRCYZN01 | 4036 | 2004-10-15 | Yes |
| 646-510 | NWYRCYZN01 | 4036 | 2005-06-19 | Yes |
| 646-511 | XXXXXXXXXX | MULT | — | — |
| 646-512 | NWYRCYZN01 | 4036 | 2005-06-19 | Yes |
| 646-513 | NWYRCYZN01 | 384C | — | Yes |
| 646-514 | NWYRCYZN01 | 829J | — | — |
| 646-515 | NWYRCYZN01 | 6622 | — | — |
| 646-516 | NWYRCYZN01 | 384C | 2022-09-26 | Yes |
| 646-517 | NWYRCYZN01 | 9104 | 2012-12-06 | Yes |
| 646-518 | NWYRCYZN01 | 829J | 2015-02-06 | Yes |
| 646-519 | NWYRCYZN01 | 4006 | — | Yes |
| 646-520 | NWYRCYZN01 | 6622 | — | Yes |
| 646-521 | NWYRCYZN01 | 9104 | — | Yes |
| 646-522 | NWYRCYZN01 | 6959 | — | — |
| 646-523 | NWYRCYZN01 | 6622 | 2001-03-09 | Yes |
| 646-524 | NWYRCYZN01 | 793K | — | Yes |
| 646-525 | NWYRCYZN01 | 6622 | — | Yes |
| 646-526 | NWYRCYZN01 | 6622 | — | Yes |
| 646-527 | NWYRCYZN01 | 6622 | — | Yes |
| 646-528 | NWYRCYZN01 | 6622 | — | Yes |
| 646-529 | NWYRCYZN01 | 6622 | — | Yes |
| 646-530 | NWYRCYZN01 | 6959 | 2005-04-14 | Yes |
| 646-531 | NWYRCYZN01 | 6959 | 2011-05-20 | Yes |
| 646-532 | NWYRCYZN01 | 829J | 2011-05-03 | Yes |
| 646-533 | NWYRCYZN01 | 6622 | 2001-03-12 | Yes |
| 646-534 | NWYRCYZN01 | 9104 | — | — |
| 646-535 | NWYRCYZN01 | 997E | 2010-03-05 | Yes |
| 646-536 | NWYRCYZN01 | 4006 | — | Yes |
| 646-537 | NWYRCYZN01 | 7229 | — | Yes |
| 646-538 | NWYRCYZN01 | 6622 | 2011-05-27 | Yes |
| 646-539 | NWYRCYZN01 | 829J | — | Yes |
| 646-540 | NWYRCYZN01 | 4006 | 2019-12-13 | Yes |
| 646-541 | NWYRCYZN01 | 6622 | 2001-04-25 | — |
| 646-542 | NWYRCYZN01 | 6622 | — | Yes |
| 646-543 | NWYRCYZN01 | 997E | 2010-03-05 | Yes |
| 646-544 | NWYRCYZN01 | 6622 | — | Yes |
| 646-545 | NWYRCYZN01 | 829J | 2010-11-18 | Yes |
| 646-546 | NWYRCYZN01 | 6622 | — | Yes |
| 646-547 | NWYRCYZN01 | 473G | 2011-09-15 | Yes |
| 646-548 | NWYRCYZN01 | 9104 | — | Yes |
| 646-549 | NWYRCYZN01 | 4036 | — | Yes |
| 646-550 | NWYRCYZN01 | 452J | 2019-12-23 | Yes |
| 646-551 | NWYRCYZN01 | 624H | 2023-11-15 | Yes |
| 646-552 | NWYRCYZN01 | 6622 | — | — |
| 646-553 | NWYRCYZN01 | 4006 | 2011-05-16 | Yes |
| 646-554 | NWYRCYZN01 | 6622 | — | Yes |
| 646-555 | DIR ASST | MULT | — | — |
| 646-556 | NWYRCYZN01 | 9104 | 2008-09-08 | Yes |
| 646-557 | NWYRCYZN01 | 9104 | — | Yes |
| 646-558 | NWYRCYZN01 | 155E | 2008-02-04 | Yes |
| 646-559 | NWYRCYZN01 | 793K | 2010-12-16 | Yes |
| 646-560 | NWYRCYZN01 | 7229 | — | Yes |
| 646-561 | NWYRCYZN01 | 155E | 2012-03-09 | Yes |
| 646-562 | NWYRCYZN01 | 9104 | — | — |
| 646-563 | NWYRCYZN01 | 7140 | — | Yes |
| 646-564 | NWYRCYZN01 | 155E | 2011-09-22 | Yes |
| 646-565 | NWYRCYZN01 | 829J | 2014-06-20 | Yes |
| 646-566 | NWYRCYZN01 | 624H | 2022-07-14 | Yes |
| 646-567 | NWYRCYZN01 | 6622 | — | Yes |
| 646-568 | NWYRCYZN01 | 6959 | 2011-11-09 | Yes |
| 646-569 | NWYRCYZN01 | 7126 | 2012-01-27 | Yes |
| 646-570 | NWYRCYZN01 | 473G | 2011-05-23 | Yes |
| 646-571 | NWYRCYZN01 | 6622 | — | Yes |
| 646-572 | NWYRCYZN01 | 7229 | — | Yes |
| 646-573 | NWYRCYZN01 | 4036 | — | Yes |
| 646-574 | NWYRCYZN01 | 6959 | 2011-10-10 | Yes |
| 646-575 | NWYRCYZN01 | 6622 | — | Yes |
| 646-576 | NWYRCYZN01 | 9104 | — | Yes |
| 646-577 | NWYRCYZN01 | 6622 | — | Yes |
| 646-578 | NWYRCYZN01 | 6622 | — | Yes |
| 646-579 | NWYRCYZN01 | 6622 | — | Yes |
| 646-580 | NWYRCYZN01 | 997E | 2010-03-04 | Yes |
| 646-581 | NWYRCYZN01 | 6959 | 2012-01-27 | Yes |
| 646-582 | NWYRCYZN01 | 7229 | 2012-04-24 | Yes |
| 646-583 | NWYRCYZN01 | 997E | — | Yes |
| 646-584 | NWYRCYZN01 | 6959 | 2005-08-16 | Yes |
| 646-585 | NWYRCYZN01 | 384C | 2015-11-17 | Yes |
| 646-586 | NWYRCYZN01 | 6622 | 2005-02-07 | Yes |
| 646-587 | NWYRCYZN01 | 9104 | — | Yes |
| 646-588 | NWYRCYZN01 | 829J | 2010-07-13 | Yes |
| 646-589 | NWYRCYZN01 | 9104 | 2012-12-06 | Yes |
| 646-590 | NWYRCYZN01 | 793K | 2012-02-28 | Yes |
| 646-591 | NWYRCYZN01 | 6622 | — | — |
| 646-592 | NWYRCYZN01 | 6959 | — | Yes |
| 646-593 | NWYRCYZN01 | 4036 | — | Yes |
| 646-594 | NWYRCYZN01 | 5562 | — | Yes |
| 646-595 | NWYRCYZN01 | 6622 | — | Yes |
| 646-596 | NWYRCYZN01 | 6959 | — | Yes |
| 646-597 | NWYRCYZN01 | 5562 | 2009-08-24 | Yes |
| 646-598 | NWYRCYZN01 | 9104 | — | Yes |
| 646-599 | NWYRCYZN01 | 6959 | 2009-09-09 | 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.