SPOK, INC.
18 prefixes in 414 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 414-201 | MILWAUKZN1 | 6630 | — | — |
| 414-205 | MILWAUKZN1 | 6630 | — | — |
| 414-222 | MILWAUKZN1 | 6630 | — | — |
| 414-230 | MILWAUKZN1 | 6630 | — | — |
| 414-237 | MILWAUKZN1 | 6630 | — | — |
| 414-314 | MILWAUKZN1 | 6630 | — | — |
| 414-320 | MILWAUKZN1 | 6630 | — | — |
| 414-330 | MILWAUKZN1 | 6630 | — | — |
| 414-402 | MILWAUKZN1 | 6630 | — | — |
| 414-480 | MILWAUKZN5 | 6630 | — | — |
| 414-575 | MILWAUKZN1 | 6630 | — | — |
| 414-669 | MILWAUKZN1 | 6630 | — | — |
| 414-816 | MILWAUKZN1 | 6630 | — | — |
| 414-838 | MILWAUKZN1 | 6630 | — | — |
| 414-890 | MILWAUKZN1 | 6630 | — | — |
| 414-907 | MILWAUKZN1 | 6630 | — | — |
| 414-941 | MILWAUKZN1 | 6630 | — | — |
| 414-981 | MILWAUKZN1 | 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.