SPOK, INC.
42 prefixes in 305 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 305-208 | MIAMI | 6630 | — | — |
| 305-212 | MIAMI | 6630 | — | — |
| 305-272 | MIAMI | 6630 | — | — |
| 305-276 | MIAMI | 6630 | — | — |
| 305-277 | MIAMI | 6630 | — | — |
| 305-287 | MIAMI | 6630 | — | — |
| 305-288 | MIAMI | 6630 | — | — |
| 305-291 | MIAMI | 6630 | — | — |
| 305-312 | MIAMI | 6630 | — | — |
| 305-313 | MIAMI | 6630 | — | — |
| 305-314 | MIAMI | 6630 | — | — |
| 305-352 | MIAMI | 6630 | — | — |
| 305-353 | MIAMI | 6630 | — | — |
| 305-366 | MIAMI | 6630 | — | — |
| 305-368 | MIAMI | 6630 | — | — |
| 305-483 | MIAMI | 6630 | — | — |
| 305-543 | MIAMI | 6630 | — | — |
| 305-544 | MIAMI | 6630 | — | — |
| 305-601 | MIAMI | 6630 | — | — |
| 305-641 | MIAMI | 6630 | — | — |
| 305-729 | MIAMI | 6630 | — | — |
| 305-730 | MIAMI | 6630 | — | — |
| 305-732 | MIAMI | 6630 | — | — |
| 305-734 | MIAMI | 6630 | — | — |
| 305-736 | MIAMI | 6630 | — | — |
| 305-737 | MIAMI | 6630 | — | — |
| 305-738 | MIAMI | 6630 | — | — |
| 305-750 | MIAMI | 6630 | — | — |
| 305-806 | MIAMI | 6630 | — | — |
| 305-837 | MIAMI | 6630 | — | — |
| 305-838 | MIAMI | 6630 | — | — |
| 305-839 | MIAMI | 6630 | — | — |
| 305-841 | MIAMI | 6630 | — | — |
| 305-843 | MIAMI | 6630 | — | — |
| 305-844 | MIAMI | 6630 | — | — |
| 305-855 | MIAMI | 6630 | — | — |
| 305-880 | MIAMI | 6630 | — | — |
| 305-881 | MIAMI | 6630 | — | — |
| 305-886 | MIAMI | 6630 | — | — |
| 305-955 | MIAMI | 6630 | — | — |
| 305-996 | MIAMI | 6630 | — | — |
| 305-997 | MIAMI | 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.