SPOK, INC.
27 prefixes in 408 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 408-231 | SNJS WEST | 6630 | — | — |
| 408-233 | SNJS WEST | 6630 | — | — |
| 408-237 | SNJS WEST | 6630 | — | — |
| 408-301 | SNJS WEST | 6630 | — | — |
| 408-305 | SNJS WEST | 6630 | — | — |
| 408-308 | SNJS WEST | 6630 | — | — |
| 408-322 | SNJS WEST | 6630 | — | — |
| 408-388 | SNJS WEST | 6630 | — | — |
| 408-397 | SNJS WEST | 6630 | — | — |
| 408-407 | SNJS WEST | 6630 | — | — |
| 408-485 | SNJS WEST | 6630 | — | — |
| 408-488 | SNJS WEST | 6630 | — | — |
| 408-552 | SNJS WEST | 6630 | — | — |
| 408-619 | SNJS WEST | 6630 | — | — |
| 408-631 | SNJS WEST | 6630 | — | — |
| 408-787 | SNJS WEST | 6630 | — | — |
| 408-788 | SNJS WEST | 6630 | — | — |
| 408-798 | SNJS WEST | 6630 | — | — |
| 408-814 | SNJS WEST | 6630 | — | — |
| 408-815 | SNJS WEST | 6630 | — | — |
| 408-820 | SNJS WEST | 6630 | — | — |
| 408-860 | SNJS WEST | 6630 | — | — |
| 408-870 | SNJS WEST | 6630 | — | — |
| 408-932 | SNJS WEST | 6630 | — | — |
| 408-948 | SNJS WEST | 6630 | — | — |
| 408-949 | SNJS WEST | 6630 | — | — |
| 408-951 | SNJS WEST | 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.