SPOK, INC.
16 prefixes in 901 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 901-200 | MEMPHIS | 6630 | — | — |
| 901-223 | MEMPHIS | 6630 | — | — |
| 901-391 | MEMPHIS | 6630 | — | — |
| 901-392 | MEMPHIS | 6630 | — | — |
| 901-442 | MEMPHIS | 6630 | — | — |
| 901-447 | MEMPHIS | 6630 | — | — |
| 901-477 | MEMPHIS | 6630 | — | — |
| 901-532 | MEMPHIS | 6630 | — | — |
| 901-534 | MEMPHIS | 6630 | — | — |
| 901-637 | MEMPHIS | 6630 | — | — |
| 901-638 | MEMPHIS | 6630 | — | — |
| 901-639 | MEMPHIS | 6630 | — | — |
| 901-703 | MEMPHIS | 6630 | — | — |
| 901-769 | MEMPHIS | 6630 | — | — |
| 901-777 | MEMPHIS | 6630 | — | — |
| 901-790 | MEMPHIS | 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.