ONVOY SPECTRUM, LLC
3 prefixes in 557 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 557-500 | ST LOUIS | 624H | 2022-08-12 | Yes |
| 557-507 | ST LOUIS | 624H | 2023-08-16 | Yes |
| 557-567 | KIRKWOOD | 624H | 2024-11-07 | Yes |
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.