SPOK, INC.
24 prefixes in 310 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 310-232 | SNMN SNMN | 6630 | — | — |
| 310-236 | SNMN SNMN | 6630 | — | — |
| 310-238 | SNMN SNMN | 6630 | — | — |
| 310-239 | SNMN SNMN | 6630 | — | — |
| 310-240 | CMTN GRDN | 6630 | — | — |
| 310-249 | CMTN GRDN | 6630 | — | — |
| 310-250 | CMTN GRDN | 6630 | — | — |
| 310-262 | SNMN SNMN | 6630 | — | — |
| 310-298 | CMTN GRDN | 6630 | — | — |
| 310-368 | CMTN GRDN | 6630 | — | — |
| 310-501 | CMTN CMTN | 6630 | — | — |
| 310-509 | CMTN CMTN | 6630 | — | — |
| 310-585 | SNMN SNMN | 6630 | — | — |
| 310-588 | SNMN SNMN | 6630 | — | — |
| 310-685 | CMTN GRDN | 6630 | — | — |
| 310-716 | CMTN GRDN | 6630 | — | — |
| 310-718 | CMTN GRDN | 6630 | — | — |
| 310-723 | CMTN GRDN | 6630 | — | — |
| 310-790 | SNMN SNMN | 6630 | — | — |
| 310-805 | CMTN GRDN | 6630 | — | — |
| 310-875 | SNMN SNMN | 6630 | — | — |
| 310-932 | LAKEWOOD | 6630 | — | — |
| 310-960 | CMTN GRDN | 6630 | — | — |
| 310-992 | SNMN SNMN | 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.