SPOK, INC.
133 prefixes in 917 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 917-205 | NWYRCYZN01 | 6630 | — | — |
| 917-218 | NWYRCYZN01 | 6630 | — | — |
| 917-219 | NWYRCYZN06 | 6630 | — | — |
| 917-223 | NWYRCYZN01 | 6630 | — | — |
| 917-233 | NWYRCYZN06 | 6630 | — | — |
| 917-240 | NWYRCYZN01 | 6630 | — | — |
| 917-241 | NWYRCYZN01 | 6630 | — | — |
| 917-247 | NWYRCYZN01 | 6630 | — | — |
| 917-248 | NWYRCYZN01 | 6630 | — | — |
| 917-249 | NWYRCYZN06 | 6630 | — | — |
| 917-252 | NWYRCYZN01 | 6630 | — | — |
| 917-253 | NWYRCYZN01 | 6630 | — | — |
| 917-255 | NWYRCYZN08 | 6630 | — | — |
| 917-276 | NWYRCYZN01 | 6630 | — | — |
| 917-290 | NWYRCYZN06 | 6630 | — | — |
| 917-296 | NWYRCYZN01 | 6630 | — | — |
| 917-298 | NWYRCYZN06 | 6630 | — | — |
| 917-313 | NWYRCYZN01 | 6630 | — | — |
| 917-314 | NWYRCYZN01 | 6630 | — | — |
| 917-317 | NWYRCYZN01 | 6630 | — | — |
| 917-321 | NWYRCYZN01 | 6630 | — | — |
| 917-333 | NWYRCYZN01 | 6630 | — | — |
| 917-356 | NWYRCYZN01 | 6630 | — | — |
| 917-360 | NWYRCYZN01 | 6630 | — | — |
| 917-372 | NWYRCYZN01 | 6630 | — | — |
| 917-377 | NWYRCYZN01 | 6630 | — | — |
| 917-380 | NWYRCYZN01 | 6630 | — | — |
| 917-381 | NWYRCYZN01 | 6630 | — | — |
| 917-389 | NWYRCYZN01 | 6630 | — | — |
| 917-390 | NWYRCYZN06 | 6630 | — | — |
| 917-395 | NWYRCYZN06 | 6630 | — | — |
| 917-401 | NWYRCYZN01 | 6630 | — | — |
| 917-404 | NWYRCYZN11 | 6630 | — | — |
| 917-413 | NWYRCYZN08 | 6630 | — | — |
| 917-422 | NWYRCYZN01 | 6630 | — | — |
| 917-424 | NWYRCYZN01 | 6630 | — | — |
| 917-425 | NWYRCYZN06 | 6630 | — | — |
| 917-427 | NWYRCYZN06 | 6630 | — | — |
| 917-429 | NWYRCYZN11 | 6630 | — | — |
| 917-430 | NWYRCYZN11 | 6630 | — | — |
| 917-433 | NWYRCYZN06 | 6630 | — | — |
| 917-448 | NWYRCYZN01 | 6630 | — | — |
| 917-457 | NWYRCYZN01 | 6630 | — | — |
| 917-458 | NWYRCYZN01 | 6630 | — | — |
| 917-461 | NWYRCYZN08 | 6630 | — | — |
| 917-462 | NWYRCYZN01 | 6630 | — | — |
| 917-469 | NWYRCYZN01 | 6630 | — | — |
| 917-481 | NWYRCYZN08 | 6630 | — | — |
| 917-483 | NWYRCYZN06 | 6630 | — | — |
| 917-486 | NWYRCYZN06 | 6630 | — | — |
| 917-489 | NWYRCYZN01 | 6630 | — | — |
| 917-490 | NWYRCYZN06 | 6630 | — | — |
| 917-491 | NWYRCYZN06 | 6630 | — | — |
| 917-506 | NWYRCYZN01 | 6630 | — | — |
| 917-537 | NWYRCYZN01 | 6630 | — | — |
| 917-552 | NWYRCYZN01 | 6630 | — | — |
| 917-556 | NWYRCYZN01 | 6630 | — | — |
| 917-598 | NWYRCYZN08 | 6630 | — | — |
| 917-610 | NWYRCYZN01 | 6630 | — | — |
| 917-614 | NWYRCYZN01 | 6630 | — | — |
| 917-616 | NWYRCYZN01 | 6630 | — | — |
| 917-632 | NWYRCYZN01 | 6630 | — | — |
| 917-641 | NWYRCYZN01 | 6630 | — | — |
| 917-644 | NWYRCYZN01 | 6630 | — | — |
| 917-646 | NWYRCYZN01 | 6630 | — | — |
| 917-649 | NWYRCYZN01 | 6630 | — | — |
| 917-706 | NWYRCYZN01 | 6630 | — | — |
| 917-707 | NWYRCYZN08 | 6630 | — | — |
| 917-712 | NWYRCYZN01 | 6630 | — | — |
| 917-713 | NWYRCYZN01 | 6630 | — | — |
| 917-729 | NWYRCYZN01 | 6630 | — | — |
| 917-738 | NWYRCYZN01 | 6630 | — | — |
| 917-739 | NWYRCYZN01 | 6630 | — | — |
| 917-752 | NWYRCYZN01 | 6630 | — | — |
| 917-758 | NWYRCYZN06 | 6630 | — | — |
| 917-759 | NWYRCYZN06 | 6630 | — | — |
| 917-760 | NWYRCYZN06 | 6630 | — | — |
| 917-761 | NWYRCYZN06 | 6630 | — | — |
| 917-762 | NWYRCYZN01 | 6630 | — | — |
| 917-766 | NWYRCYZN06 | 6630 | — | — |
| 917-784 | NWYRCYZN01 | 6630 | — | — |
| 917-785 | NWYRCYZN01 | 6630 | — | — |
| 917-786 | NWYRCYZN01 | 6630 | — | — |
| 917-787 | NWYRCYZN01 | 6630 | — | — |
| 917-788 | NWYRCYZN01 | 6630 | — | — |
| 917-798 | NWYRCYZN01 | 6630 | — | — |
| 917-799 | NWYRCYZN01 | 6630 | — | — |
| 917-802 | NWYRCYZN01 | 6630 | — | — |
| 917-812 | NWYRCYZN01 | 6630 | — | — |
| 917-820 | NWYRCYZN01 | 6630 | — | — |
| 917-823 | NWYRCYZN01 | 6630 | — | — |
| 917-824 | NWYRCYZN01 | 6630 | — | — |
| 917-840 | NWYRCYZN08 | 6630 | — | — |
| 917-844 | NWYRCYZN01 | 6630 | — | — |
| 917-845 | NWYRCYZN01 | 6630 | — | — |
| 917-850 | NWYRCYZN01 | 6630 | — | — |
| 917-851 | NWYRCYZN01 | 6630 | — | — |
| 917-857 | NWYRCYZN01 | 6630 | — | — |
| 917-866 | NWYRCYZN06 | 6630 | — | — |
| 917-867 | NWYRCYZN06 | 6630 | — | — |
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.