SPOK, INC.
17 prefixes in 513 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 513-209 | CINCINNATI | 6630 | — | — |
| 513-210 | CINCINNATI | 6630 | — | — |
| 513-249 | CINCINNATI | 6630 | — | — |
| 513-269 | CINCINNATI | 6630 | — | — |
| 513-343 | CINCINNATI | 6630 | — | — |
| 513-350 | CINCINNATI | 6630 | — | — |
| 513-359 | CINCINNATI | 6630 | 2002-09-17 | — |
| 513-408 | CINCINNATI | 6630 | — | — |
| 513-590 | CINCINNATI | 6630 | — | — |
| 513-660 | CINCINNATI | 6630 | — | — |
| 513-670 | CINCINNATI | 6630 | — | — |
| 513-691 | CINCINNATI | 6630 | — | — |
| 513-710 | CINCINNATI | 6630 | — | — |
| 513-890 | MIDDLETOWN | 6630 | — | — |
| 513-920 | CINCINNATI | 6630 | — | — |
| 513-944 | CINCINNATI | 6630 | — | — |
| 513-971 | CINCINNATI | 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.