CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO
8 prefixes in 557 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 557-210 | LADUE | 5814 | 2023-09-21 | Yes |
| 557-219 | LADUE | 5814 | 2024-01-18 | Yes |
| 557-223 | LADUE | 5814 | 2024-04-10 | Yes |
| 557-228 | ST LOUIS | 5814 | 2024-11-25 | Yes |
| 557-232 | LADUE | 5814 | 2025-02-18 | Yes |
| 557-236 | LADUE | 5814 | 2025-04-24 | Yes |
| 557-239 | ST LOUIS | 5814 | 2025-07-02 | Yes |
| 557-260 | LADUE | 5814 | 2026-07-23 | 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.