All assignees
799 prefixes in 917 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 917-300 | NWYRCYZN10 | 997E | 2010-10-04 | Yes |
| 917-301 | NWYRCYZN01 | 6959 | — | — |
| 917-302 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-303 | NWYRCYZN01 | 6800 | — | — |
| 917-304 | NWYRCYZN01 | 6622 | — | Yes |
| 917-305 | NWYRCYZN01 | 9104 | — | — |
| 917-306 | NWYRCYZN01 | 6622 | — | — |
| 917-307 | NWYRCYZN14 | 6801 | — | — |
| 917-308 | NWYRCYZN06 | 6877 | — | — |
| 917-309 | NWYRCYZN01 | 6622 | — | Yes |
| 917-310 | NWYRCYZN06 | 997E | 2010-10-04 | Yes |
| 917-311 | XXXXXXXXXX | MULT | — | — |
| 917-312 | NWYRCYZN01 | 6622 | — | Yes |
| 917-313 | NWYRCYZN01 | 6630 | — | — |
| 917-314 | NWYRCYZN01 | 6630 | — | — |
| 917-315 | NWYRCYZN01 | 9104 | — | — |
| 917-316 | NWYRCYZN01 | 9104 | — | — |
| 917-317 | NWYRCYZN01 | 6630 | — | — |
| 917-318 | NWYRCYZN01 | 4036 | — | — |
| 917-319 | NWYRCYZN01 | 4036 | — | — |
| 917-320 | NWYRCYZN01 | 9104 | — | — |
| 917-321 | NWYRCYZN01 | 6630 | — | — |
| 917-322 | NWYRCYZN01 | 9104 | — | Yes |
| 917-323 | NWYRCYZN06 | 4036 | 2026-04-29 | Yes |
| 917-324 | NWYRCYZN10 | 4036 | — | — |
| 917-325 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-326 | NWYRCYZN01 | 9104 | — | Yes |
| 917-327 | NWYRCYZN01 | 4036 | — | — |
| 917-328 | NWYRCYZN01 | 4036 | — | — |
| 917-329 | NWYRCYZN06 | 6959 | 2025-04-14 | Yes |
| 917-330 | NWYRCYZN01 | 6622 | 2001-05-07 | — |
| 917-331 | NWYRCYZN01 | 4036 | — | — |
| 917-332 | NWYRCYZN01 | 9104 | — | Yes |
| 917-333 | NWYRCYZN01 | 6630 | — | — |
| 917-334 | NWYRCYZN01 | 6622 | — | Yes |
| 917-335 | NWYRCYZN01 | 6622 | — | Yes |
| 917-336 | NWYRCYZN07 | 997E | 2010-10-04 | Yes |
| 917-337 | NWYRCYZN01 | 6622 | — | Yes |
| 917-338 | NWYRCYZN01 | 4006 | — | Yes |
| 917-339 | NWYRCYZN01 | 9104 | — | — |
| 917-340 | NWYRCYZN01 | 4036 | — | Yes |
| 917-341 | NWYRCYZN09 | 997E | 2010-10-05 | Yes |
| 917-342 | NWYRCYZN01 | 9104 | — | Yes |
| 917-343 | NWYRCYZN01 | 9104 | — | — |
| 917-344 | NWYRCYZN01 | 7140 | — | Yes |
| 917-345 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-346 | NWYRCYZN01 | 6622 | 2001-05-04 | — |
| 917-347 | NWYRCYZN15 | 6959 | 2024-11-06 | Yes |
| 917-348 | NWYRCYZN01 | 6622 | 2001-05-07 | — |
| 917-349 | NWYRCYZN01 | 6622 | 2001-05-07 | — |
| 917-350 | NWYRCYZN14 | 0059 | — | — |
| 917-351 | NWYRCYZN01 | 9104 | — | Yes |
| 917-352 | NWYRCYZN09 | 997E | 2024-07-11 | Yes |
| 917-353 | NWYRCYZN01 | 6622 | — | — |
| 917-354 | NWYRCYZN14 | 0059 | — | — |
| 917-355 | NWYRCYZN01 | 4036 | — | — |
| 917-356 | NWYRCYZN01 | 6630 | — | — |
| 917-357 | NWYRCYZN04 | 9104 | — | — |
| 917-358 | NWYRCYZN13 | 4036 | 2024-10-02 | Yes |
| 917-359 | NWYRCYZN01 | 6959 | — | — |
| 917-360 | NWYRCYZN01 | 6630 | — | — |
| 917-361 | NWYRCYZN01 | 6622 | — | — |
| 917-362 | NWYRCYZN01 | 6622 | — | — |
| 917-363 | NWYRCYZN01 | 6959 | — | — |
| 917-364 | NWYRCYZN01 | 6959 | — | — |
| 917-365 | NWYRCYZN01 | 6622 | — | — |
| 917-366 | NWYRCYZN06 | 6871 | — | — |
| 917-367 | NWYRCYZN01 | 7140 | — | — |
| 917-368 | NWYRCYZN01 | 9104 | — | — |
| 917-369 | NWYRCYZN01 | 9104 | — | Yes |
| 917-370 | NWYRCYZN01 | 4036 | — | — |
| 917-371 | NWYRCYZN01 | 4036 | — | — |
| 917-372 | NWYRCYZN01 | 6630 | — | — |
| 917-373 | NWYRCYZN10 | 4036 | — | — |
| 917-374 | NWYRCYZN01 | 4036 | — | — |
| 917-375 | NWYRCYZN01 | 4036 | — | — |
| 917-376 | NWYRCYZN10 | 4036 | — | — |
| 917-377 | NWYRCYZN01 | 6630 | — | — |
| 917-378 | NWYRCYZN01 | 6622 | — | — |
| 917-379 | NWYRCYZN01 | 6622 | — | — |
| 917-380 | NWYRCYZN01 | 6630 | — | — |
| 917-381 | NWYRCYZN01 | 6630 | — | — |
| 917-382 | NWYRCYZN08 | 997E | 2010-10-05 | Yes |
| 917-383 | NWYRCYZN04 | 997E | 2010-10-05 | Yes |
| 917-384 | NWYRCYZN06 | 624H | 2023-10-26 | Yes |
| 917-385 | NWYRCYZN01 | 6622 | — | — |
| 917-386 | NWYRCYZN01 | 7133 | — | Yes |
| 917-387 | NWYRCYZN12 | 282E | 2010-10-15 | Yes |
| 917-388 | NWYRCYZN01 | 4006 | 2007-05-22 | Yes |
| 917-389 | NWYRCYZN01 | 6630 | — | — |
| 917-390 | NWYRCYZN06 | 6630 | — | — |
| 917-391 | NWYRCYZN08 | 473G | 2012-03-09 | Yes |
| 917-392 | NWYRCYZN01 | 4036 | — | Yes |
| 917-393 | NWYRCYZN08 | 6800 | — | — |
| 917-394 | NWYRCYZN04 | 4036 | 2024-07-18 | Yes |
| 917-395 | NWYRCYZN06 | 6630 | — | — |
| 917-396 | NWYRCYZN08 | 793K | 2010-12-16 | Yes |
| 917-397 | NWYRCYZN14 | 997E | 2010-10-22 | Yes |
| 917-398 | NWYRCYZN01 | 155E | — | Yes |
| 917-399 | NWYRCYZN01 | 4036 | — | 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.