ONVOY, LLC - MO
17 prefixes in 557 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 557-200 | LADUE | 093F | 2022-08-08 | Yes |
| 557-208 | LADUE | 093F | 2023-09-07 | Yes |
| 557-209 | KIRKWOOD | 093F | 2024-02-29 | Yes |
| 557-221 | MEHLVILLE | 093F | 2024-04-10 | Yes |
| 557-226 | CREVECOEUR | 093F | 2024-06-05 | Yes |
| 557-241 | LADUE | 093F | 2025-09-24 | Yes |
| 557-242 | ST LOUIS | 093F | 2025-09-24 | Yes |
| 557-249 | LADUE | 093F | 2026-01-13 | Yes |
| 557-255 | LADUE | 093F | 2026-05-29 | Yes |
| 557-256 | MEHLVILLE | 093F | 2026-05-29 | Yes |
| 557-257 | CREVECOEUR | 093F | 2026-07-08 | Yes |
| 557-258 | OAKVILLE | 093F | 2026-07-08 | Yes |
| 557-259 | SAPPINGTON | 093F | 2026-07-08 | Yes |
| 557-333 | SAPPINGTON | 093F | 2025-07-15 | Yes |
| 557-444 | CREVECOEUR | 093F | 2025-07-15 | Yes |
| 557-467 | ST LOUIS | 093F | 2022-08-08 | Yes |
| 557-557 | ST LOUIS | 093F | 2023-05-15 | 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.