All assignees
799 prefixes in 917 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 917-501 | NWYRCYZN01 | 6622 | — | Yes |
| 917-502 | NWYRCYZN08 | 6959 | — | — |
| 917-503 | NWYRCYZN01 | 282E | 2010-11-23 | Yes |
| 917-504 | NWYRCYZN03 | 5562 | — | Yes |
| 917-505 | NWYRCYZN08 | 6800 | — | — |
| 917-506 | NWYRCYZN01 | 6630 | — | — |
| 917-507 | NWYRCYZN01 | 9104 | — | Yes |
| 917-508 | NWYRCYZN11 | 7133 | — | Yes |
| 917-509 | NWYRCYZN01 | 6959 | — | — |
| 917-510 | NWYRCYZN01 | 9104 | — | Yes |
| 917-511 | XXXXXXXXXX | MULT | — | — |
| 917-512 | NWYRCYZN01 | 4006 | 2006-01-05 | Yes |
| 917-513 | NWYRCYZN01 | 4036 | — | — |
| 917-514 | NWYRCYZN01 | 4036 | — | — |
| 917-515 | NWYRCYZN10 | 4036 | — | — |
| 917-516 | NWYRCYZN12 | 839J | 2024-03-04 | Yes |
| 917-517 | NWYRCYZN01 | 6622 | — | — |
| 917-518 | NWYRCYZN01 | 6622 | — | — |
| 917-519 | NWYRCYZN01 | 6622 | — | — |
| 917-520 | NWYRCYZN01 | 4036 | — | — |
| 917-521 | NWYRCYZN01 | 9104 | — | Yes |
| 917-522 | NWYRCYZN01 | 7229 | — | — |
| 917-523 | NWYRCYZN01 | 6622 | — | Yes |
| 917-524 | NWYRCYZN14 | 282E | 2011-03-25 | Yes |
| 917-525 | NWYRCYZN15 | 4006 | 2011-10-13 | Yes |
| 917-526 | NWYRCYZN01 | 6959 | — | Yes |
| 917-527 | NWYRCYZN01 | 9104 | — | — |
| 917-528 | NWYRCYZN01 | 4036 | — | Yes |
| 917-529 | NWYRCYZN01 | 9104 | — | Yes |
| 917-530 | NWYRCYZN06 | 6622 | 2012-09-21 | Yes |
| 917-531 | NWYRCYZN01 | 6622 | — | Yes |
| 917-532 | NWYRCYZN01 | 6622 | — | Yes |
| 917-533 | NWYRCYZN07 | 6959 | — | — |
| 917-534 | NWYRCYZN01 | 9104 | — | Yes |
| 917-535 | NWYRCYZN01 | 6622 | 2001-07-17 | — |
| 917-536 | NWYRCYZN01 | 6622 | — | Yes |
| 917-537 | NWYRCYZN01 | 6630 | — | — |
| 917-538 | NWYRCYZN07 | 6959 | — | — |
| 917-539 | NWYRCYZN01 | 4036 | — | — |
| 917-540 | NWYRCYZN01 | 384C | 2019-10-15 | Yes |
| 917-541 | NWYRCYZN01 | 6622 | — | Yes |
| 917-542 | NWYRCYZN01 | 9104 | — | Yes |
| 917-543 | NWYRCYZN01 | 4036 | — | — |
| 917-544 | NWYRCYZN01 | 4036 | — | — |
| 917-545 | NWYRCYZN01 | 4036 | — | — |
| 917-546 | NWYRCYZN01 | 7229 | — | Yes |
| 917-547 | NWYRCYZN01 | 6622 | — | Yes |
| 917-548 | NWYRCYZN01 | 6622 | — | Yes |
| 917-549 | NWYRCYZN01 | 6622 | — | Yes |
| 917-550 | NWYRCYZN01 | 452J | 2019-12-23 | Yes |
| 917-551 | NWYRCYZN01 | 9104 | — | Yes |
| 917-552 | NWYRCYZN01 | 6630 | — | — |
| 917-553 | NWYRCYZN01 | 6622 | — | Yes |
| 917-554 | NWYRCYZN01 | 6622 | — | Yes |
| 917-555 | DIR ASST | MULT | — | — |
| 917-556 | NWYRCYZN01 | 6630 | — | — |
| 917-557 | NWYRCYZN03 | 5562 | — | Yes |
| 917-558 | NWYRCYZN01 | 4036 | — | Yes |
| 917-559 | NWYRCYZN01 | 6622 | — | Yes |
| 917-560 | NWYRCYZN01 | 6622 | — | Yes |
| 917-561 | NWYRCYZN10 | 4036 | — | — |
| 917-562 | NWYRCYZN10 | 4036 | — | — |
| 917-563 | NWYRCYZN09 | 793K | 2010-12-23 | Yes |
| 917-564 | NWYRCYZN03 | 7126 | 2011-10-11 | Yes |
| 917-565 | NWYRCYZN04 | 6959 | 2012-06-22 | Yes |
| 917-566 | NWYRCYZN01 | 6959 | — | — |
| 917-567 | NWYRCYZN01 | 6622 | — | Yes |
| 917-568 | NWYRCYZN01 | 6622 | — | Yes |
| 917-569 | NWYRCYZN03 | 5562 | — | Yes |
| 917-570 | NWYRCYZN01 | 6622 | — | Yes |
| 917-571 | NWYRCYZN01 | 452J | 2019-06-10 | Yes |
| 917-572 | NWYRCYZN01 | 6959 | — | — |
| 917-573 | NWYRCYZN01 | 4036 | — | — |
| 917-574 | NWYRCYZN04 | 6959 | — | Yes |
| 917-575 | NWYRCYZN01 | 6959 | — | — |
| 917-576 | NWYRCYZN01 | 6959 | — | — |
| 917-577 | NWYRCYZN01 | 6622 | — | Yes |
| 917-578 | NWYRCYZN01 | 6622 | — | Yes |
| 917-579 | NWYRCYZN08 | 6959 | — | — |
| 917-580 | NWYRCYZN04 | 6959 | 2011-10-10 | Yes |
| 917-581 | NWYRCYZN01 | 4006 | — | Yes |
| 917-582 | NWYRCYZN01 | 6622 | 2001-07-17 | — |
| 917-583 | NWYRCYZN04 | 6959 | — | Yes |
| 917-584 | NWYRCYZN08 | 6959 | — | — |
| 917-585 | NWYRCYZN09 | 2612 | — | — |
| 917-586 | NWYRCYZN06 | 5562 | — | Yes |
| 917-587 | NWYRCYZN01 | 4036 | — | — |
| 917-588 | NWYRCYZN07 | 6959 | 2012-08-16 | Yes |
| 917-589 | NWYRCYZN07 | 6959 | — | — |
| 917-590 | NWYRCYZN09 | 384C | 2022-05-04 | Yes |
| 917-591 | NWYRCYZN01 | 829J | — | Yes |
| 917-592 | NWYRCYZN01 | 4036 | — | — |
| 917-593 | NWYRCYZN01 | 4036 | — | — |
| 917-594 | NWYRCYZN01 | 6959 | 2018-02-08 | Yes |
| 917-595 | NWYRCYZN01 | 4036 | — | Yes |
| 917-596 | NWYRCYZN01 | 6959 | — | — |
| 917-597 | NWYRCYZN01 | 6959 | — | — |
| 917-598 | NWYRCYZN08 | 6630 | — | — |
| 917-599 | NWYRCYZN08 | 7133 | — | Yes |
| 917-600 | NWYRCYZN11 | 5562 | 2009-03-26 | 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.