SPOK, INC.
24 prefixes in 412 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 412-270 | PTGSBNZN14 | 6630 | — | — |
| 412-272 | PTGSBNZN14 | 6630 | — | — |
| 412-280 | PTTSBGZON1 | 6630 | — | — |
| 412-300 | PTGSBNZN14 | 6630 | — | — |
| 412-581 | PTTSBGZON1 | 6630 | — | — |
| 412-590 | PTTSBGZON2 | 6630 | — | — |
| 412-591 | PTTSBGZON2 | 6630 | — | — |
| 412-597 | PTGSBNZN14 | 6630 | — | — |
| 412-602 | PTTSBGZON6 | 6630 | — | — |
| 412-617 | PTGSBNZN14 | 6630 | — | — |
| 412-640 | PTGSBNZN14 | 6630 | — | — |
| 412-649 | PTGSBNZN14 | 6630 | — | — |
| 412-669 | PTTSBGZON6 | 6630 | — | — |
| 412-686 | PTGSBNZN14 | 6630 | — | — |
| 412-698 | PTTSBGZON1 | 6630 | — | — |
| 412-718 | PTTSBGZON2 | 6630 | — | — |
| 412-739 | PTTSBGZON2 | 6630 | — | — |
| 412-786 | PTTSBGZON2 | 6630 | — | — |
| 412-917 | PTTSBGZON7 | 6630 | — | — |
| 412-949 | PTTSBGZON7 | 6630 | — | — |
| 412-955 | PTTSBGZON2 | 6630 | — | — |
| 412-958 | PTTSBGZON7 | 6630 | — | — |
| 412-970 | PTTSBGZON6 | 6630 | — | — |
| 412-978 | PTGSBNZN14 | 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.