All assignees
799 prefixes in 917 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 917-400 | NWYRCYZN01 | 6622 | — | — |
| 917-401 | NWYRCYZN01 | 6630 | — | — |
| 917-402 | NWYRCYZN01 | 6622 | — | — |
| 917-403 | NWYRCYZN01 | 6622 | — | — |
| 917-404 | NWYRCYZN11 | 6630 | — | — |
| 917-405 | NWYRCYZN01 | 6622 | — | Yes |
| 917-406 | NWYRCYZN01 | 6622 | — | Yes |
| 917-407 | NWYRCYZN01 | 6622 | — | Yes |
| 917-408 | NWYRCYZN01 | 9104 | — | Yes |
| 917-409 | NWYRCYZN01 | 793K | — | Yes |
| 917-410 | NWYRCYZN01 | 997E | — | Yes |
| 917-411 | XXXXXXXXXX | MULT | — | — |
| 917-412 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-413 | NWYRCYZN08 | 6630 | — | — |
| 917-414 | NWYRCYZN01 | 6959 | — | — |
| 917-415 | NWYRCYZN01 | 6622 | — | — |
| 917-416 | NWYRCYZN01 | 6622 | — | Yes |
| 917-417 | NWYRCYZN01 | 6622 | — | Yes |
| 917-418 | NWYRCYZN01 | 6622 | — | Yes |
| 917-419 | NWYRCYZN01 | 4036 | 2022-08-31 | Yes |
| 917-420 | NWYRCYZN01 | 4036 | — | Yes |
| 917-421 | NWYRCYZN01 | 7140 | — | Yes |
| 917-422 | NWYRCYZN01 | 6630 | — | — |
| 917-423 | NWYRCYZN14 | 7133 | — | Yes |
| 917-424 | NWYRCYZN01 | 6630 | — | — |
| 917-425 | NWYRCYZN06 | 6630 | — | — |
| 917-426 | NWYRCYZN14 | 155E | 2012-01-27 | Yes |
| 917-427 | NWYRCYZN06 | 6630 | — | — |
| 917-428 | NWYRCYZN01 | 4036 | — | — |
| 917-429 | NWYRCYZN11 | 6630 | — | — |
| 917-430 | NWYRCYZN11 | 6630 | — | — |
| 917-431 | NWYRCYZN01 | 6622 | 2023-07-19 | Yes |
| 917-432 | NWYRCYZN01 | 9104 | — | Yes |
| 917-433 | NWYRCYZN06 | 6630 | — | — |
| 917-434 | NWYRCYZN01 | 4036 | — | — |
| 917-435 | NWYRCYZN10 | 4036 | — | — |
| 917-436 | NWYRCYZN07 | 6622 | 2011-11-01 | Yes |
| 917-437 | NWYRCYZN01 | 624H | 2022-05-13 | Yes |
| 917-438 | NWYRCYZN01 | 7133 | — | Yes |
| 917-439 | NWYRCYZN01 | 6959 | — | — |
| 917-440 | NWYRCYZN01 | 6622 | — | Yes |
| 917-441 | NWYRCYZN01 | 9104 | — | — |
| 917-442 | NWYRCYZN01 | 6622 | — | — |
| 917-443 | NWYRCYZN01 | 6622 | — | — |
| 917-444 | NWYRCYZN11 | 6959 | — | Yes |
| 917-445 | NWYRCYZN01 | 4036 | — | — |
| 917-446 | NWYRCYZN01 | 4036 | — | — |
| 917-447 | NWYRCYZN01 | 6622 | — | Yes |
| 917-448 | NWYRCYZN01 | 6630 | — | — |
| 917-449 | NWYRCYZN01 | 6622 | — | Yes |
| 917-450 | NWYRCYZN01 | 6622 | — | Yes |
| 917-451 | NWYRCYZN01 | 7126 | 2019-12-23 | Yes |
| 917-452 | NWYRCYZN01 | 9104 | — | — |
| 917-453 | NWYRCYZN01 | 6959 | — | — |
| 917-454 | NWYRCYZN01 | 9104 | — | Yes |
| 917-455 | NWYRCYZN01 | 4036 | — | Yes |
| 917-456 | NWYRCYZN04 | 7133 | — | Yes |
| 917-457 | NWYRCYZN01 | 6630 | — | — |
| 917-458 | NWYRCYZN01 | 6630 | — | — |
| 917-459 | NWYRCYZN01 | 6622 | — | — |
| 917-460 | NWYRCYZN12 | 6622 | — | Yes |
| 917-461 | NWYRCYZN08 | 6630 | — | — |
| 917-462 | NWYRCYZN01 | 6630 | — | — |
| 917-463 | NWYRCYZN01 | 7229 | — | Yes |
| 917-464 | NWYRCYZN01 | 7229 | — | — |
| 917-465 | NWYRCYZN08 | 6800 | — | — |
| 917-466 | NWYRCYZN08 | 6800 | — | — |
| 917-468 | NWYRCYZN01 | 6622 | — | Yes |
| 917-469 | NWYRCYZN01 | 6630 | — | — |
| 917-470 | NWYRCYZN01 | 6622 | — | Yes |
| 917-471 | NWYRCYZN03 | 612K | 2013-02-21 | Yes |
| 917-472 | NWYRCYZN01 | 7140 | — | Yes |
| 917-473 | NWYRCYZN03 | 997E | 2013-02-15 | Yes |
| 917-474 | NWYRCYZN06 | 5562 | 2007-07-23 | Yes |
| 917-475 | NWYRCYZN01 | 4006 | — | Yes |
| 917-476 | NWYRCYZN01 | 6622 | — | — |
| 917-477 | NWYRCYZN03 | 7133 | — | Yes |
| 917-478 | NWYRCYZN01 | 6622 | — | — |
| 917-479 | NWYRCYZN01 | 4006 | — | — |
| 917-480 | NWYRCYZN12 | 6959 | 2012-03-13 | Yes |
| 917-481 | NWYRCYZN08 | 6630 | — | — |
| 917-482 | NWYRCYZN01 | 6622 | — | Yes |
| 917-483 | NWYRCYZN06 | 6630 | — | — |
| 917-484 | NWYRCYZN01 | 6959 | — | Yes |
| 917-485 | NWYRCYZN11 | 6959 | 2012-07-16 | Yes |
| 917-486 | NWYRCYZN06 | 6630 | — | — |
| 917-487 | NWYRCYZN03 | 4036 | 2024-10-18 | Yes |
| 917-488 | NWYRCYZN01 | 4036 | — | — |
| 917-489 | NWYRCYZN01 | 6630 | — | — |
| 917-490 | NWYRCYZN06 | 6630 | — | — |
| 917-491 | NWYRCYZN06 | 6630 | — | — |
| 917-492 | NWYRCYZN01 | 9104 | — | Yes |
| 917-493 | NWYRCYZN01 | 9104 | — | — |
| 917-494 | NWYRCYZN01 | 6959 | — | — |
| 917-495 | NWYRCYZN01 | 6622 | — | — |
| 917-496 | NWYRCYZN01 | 6622 | — | — |
| 917-497 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-498 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-499 | NWYRCYZN01 | 4036 | — | — |
| 917-500 | 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.