All assignees
800 prefixes in 347 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 347-500 | NWYRCYZN08 | 5562 | 2009-07-14 | Yes |
| 347-501 | NWYRCYZN03 | 6959 | 2010-09-14 | Yes |
| 347-502 | NWYRCYZN11 | 6959 | 2010-09-14 | Yes |
| 347-503 | NWYRCYZN03 | 6622 | — | Yes |
| 347-504 | NWYRCYZN05 | 997E | 2010-02-25 | Yes |
| 347-505 | NWYRCYZN06 | 829J | — | — |
| 347-506 | NWYRCYZN09 | 6622 | 2010-01-18 | Yes |
| 347-507 | NWYRCYZN08 | 4006 | 2010-10-07 | Yes |
| 347-508 | NWYRCYZN10 | 997E | 2011-08-04 | Yes |
| 347-509 | NWYRCYZN10 | 282E | 2010-08-09 | Yes |
| 347-510 | NWYRCYZN08 | 5562 | 2006-10-10 | Yes |
| 347-511 | XXXXXXXXXX | MULT | — | — |
| 347-512 | NWYRCYZN06 | 5562 | — | Yes |
| 347-513 | NWYRCYZN06 | 6622 | — | — |
| 347-514 | NWYRCYZN03 | 6959 | 2011-04-12 | Yes |
| 347-515 | NWYRCYZN04 | 6622 | 2005-03-18 | Yes |
| 347-516 | NWYRCYZN03 | 384C | 2022-10-03 | Yes |
| 347-517 | NWYRCYZN07 | 6622 | — | Yes |
| 347-518 | NWYRCYZN03 | 384C | — | Yes |
| 347-519 | NWYRCYZN06 | 384C | 2021-10-26 | Yes |
| 347-520 | NWYRCYZN03 | 5562 | 2009-08-28 | Yes |
| 347-521 | NWYRCYZN06 | 829J | — | — |
| 347-522 | NWYRCYZN07 | 5562 | 2007-04-10 | Yes |
| 347-523 | NWYRCYZN03 | 6622 | — | Yes |
| 347-524 | NWYRCYZN07 | 5562 | — | Yes |
| 347-525 | NWYRCYZN07 | 6622 | 2001-01-08 | Yes |
| 347-526 | NWYRCYZN06 | 5562 | — | Yes |
| 347-527 | NWYRCYZN08 | 4006 | 2005-02-22 | Yes |
| 347-528 | NWYRCYZN06 | 5562 | — | Yes |
| 347-529 | NWYRCYZN06 | 612K | 2005-10-11 | Yes |
| 347-530 | NWYRCYZN12 | 6622 | 2009-02-17 | Yes |
| 347-531 | NWYRCYZN08 | 5562 | — | Yes |
| 347-532 | NWYRCYZN09 | 829J | — | Yes |
| 347-533 | NWYRCYZN06 | 6959 | 2007-10-19 | Yes |
| 347-534 | NWYRCYZN06 | 4006 | — | Yes |
| 347-535 | NWYRCYZN12 | 4006 | — | Yes |
| 347-536 | NWYRCYZN08 | 6622 | 2008-06-25 | Yes |
| 347-537 | NWYRCYZN08 | 8526 | 2001-02-07 | Yes |
| 347-538 | NWYRCYZN12 | 6622 | 2001-03-12 | Yes |
| 347-539 | NWYRCYZN12 | 6622 | 2001-11-28 | Yes |
| 347-540 | NWYRCYZN12 | 452J | 2019-12-23 | Yes |
| 347-541 | NWYRCYZN05 | 6959 | 2009-11-06 | Yes |
| 347-542 | NWYRCYZN09 | 6622 | 2007-07-11 | Yes |
| 347-543 | NWYRCYZN07 | 6622 | 2006-09-19 | Yes |
| 347-544 | NWYRCYZN04 | 4006 | — | Yes |
| 347-545 | NWYRCYZN10 | 6959 | 2008-01-11 | Yes |
| 347-546 | NWYRCYZN06 | 5562 | 2001-10-12 | Yes |
| 347-547 | NWYRCYZN04 | 9104 | 2007-10-16 | Yes |
| 347-548 | NWYRCYZN12 | 8526 | 2001-02-07 | Yes |
| 347-549 | NWYRCYZN07 | 5562 | — | Yes |
| 347-550 | NWYRCYZN12 | 452J | 2019-12-23 | Yes |
| 347-551 | NWYRCYZN12 | 6959 | 2006-05-19 | Yes |
| 347-552 | NWYRCYZN14 | 6959 | 2007-09-18 | Yes |
| 347-553 | NWYRCYZN10 | 6622 | 2007-10-15 | Yes |
| 347-554 | NWYRCYZN07 | 6959 | 2007-12-20 | Yes |
| 347-555 | DIR ASST | MULT | — | — |
| 347-556 | NWYRCYZN08 | 4036 | 2004-11-04 | Yes |
| 347-557 | NWYRCYZN06 | 6622 | 2009-08-19 | Yes |
| 347-558 | NWYRCYZN10 | 4006 | — | Yes |
| 347-559 | NWYRCYZN14 | 6622 | 2008-03-26 | Yes |
| 347-560 | NWYRCYZN07 | 829J | 2008-10-08 | Yes |
| 347-561 | NWYRCYZN10 | 7133 | — | Yes |
| 347-562 | NWYRCYZN15 | 4006 | — | Yes |
| 347-563 | NWYRCYZN06 | 7140 | — | Yes |
| 347-564 | NWYRCYZN06 | 5562 | — | Yes |
| 347-565 | NWYRCYZN03 | 9104 | — | Yes |
| 347-566 | NWYRCYZN10 | 997E | 2010-03-04 | Yes |
| 347-567 | NWYRCYZN12 | 6622 | 2008-06-25 | Yes |
| 347-568 | NWYRCYZN06 | 282E | 2008-06-11 | Yes |
| 347-569 | NWYRCYZN07 | 5562 | 2008-10-06 | Yes |
| 347-570 | NWYRCYZN14 | 4006 | 2005-09-15 | Yes |
| 347-571 | NWYRCYZN10 | 829J | — | Yes |
| 347-572 | NWYRCYZN12 | 7133 | — | Yes |
| 347-573 | NWYRCYZN03 | 6959 | — | Yes |
| 347-574 | NWYRCYZN06 | 4036 | 2009-10-30 | Yes |
| 347-575 | NWYRCYZN03 | 6622 | — | Yes |
| 347-576 | NWYRCYZN07 | 5562 | 2004-12-28 | Yes |
| 347-577 | NWYRCYZN03 | 612K | — | Yes |
| 347-578 | NWYRCYZN07 | 6959 | 2005-08-22 | Yes |
| 347-579 | NWYRCYZN05 | 6622 | 2005-03-15 | Yes |
| 347-580 | NWYRCYZN11 | 6622 | 2010-09-20 | Yes |
| 347-581 | NWYRCYZN06 | 5562 | — | Yes |
| 347-582 | NWYRCYZN04 | 5562 | 2001-03-13 | Yes |
| 347-583 | NWYRCYZN05 | 4036 | 2006-03-23 | Yes |
| 347-584 | NWYRCYZN04 | 4006 | — | Yes |
| 347-585 | NWYRCYZN06 | 6959 | 2007-06-13 | Yes |
| 347-586 | NWYRCYZN07 | 4006 | 2008-05-28 | Yes |
| 347-587 | NWYRCYZN07 | 6959 | 2006-10-16 | Yes |
| 347-588 | NWYRCYZN06 | 997E | — | Yes |
| 347-589 | NWYRCYZN05 | 6622 | 2005-02-07 | Yes |
| 347-590 | NWYRCYZN03 | 612K | — | Yes |
| 347-591 | NWYRCYZN03 | 612K | — | Yes |
| 347-592 | NWYRCYZN10 | 6622 | 2007-06-13 | Yes |
| 347-593 | NWYRCYZN10 | 6622 | 2007-07-24 | Yes |
| 347-594 | NWYRCYZN11 | 4006 | — | Yes |
| 347-595 | NWYRCYZN03 | 5562 | — | Yes |
| 347-596 | NWYRCYZN14 | 6622 | 2001-03-26 | Yes |
| 347-597 | NWYRCYZN03 | 612K | — | Yes |
| 347-598 | NWYRCYZN07 | 6959 | 2005-06-10 | Yes |
| 347-599 | NWYRCYZN06 | 793K | — | 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.