SPOK, INC.
15 prefixes in 616 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 616-316 | LAKEODESSA | 6630 | — | — |
| 616-332 | GRAND RPDS | 6630 | — | — |
| 616-338 | GRAND RPDS | 6630 | — | — |
| 616-339 | GRAND RPDS | 6630 | — | — |
| 616-390 | GRAND RPDS | 6630 | — | — |
| 616-412 | HOLLAND | 6630 | — | — |
| 616-442 | GRAND RPDS | 6630 | — | — |
| 616-444 | GRAND RPDS | 6630 | — | — |
| 616-472 | GRAND RPDS | 6630 | — | — |
| 616-480 | GRAND RPDS | 6630 | — | — |
| 616-495 | GRAND RPDS | 6630 | — | — |
| 616-564 | GRAND RPDS | 6630 | — | — |
| 616-595 | GREENVILLE | 6630 | — | — |
| 616-630 | GRAND RPDS | 6630 | — | — |
| 616-680 | GRAND RPDS | 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.