AMERICAN MESSAGING SERVICES, LLC
17 prefixes in 404 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 404-278 | ATLANTA | 9748 | — | — |
| 404-280 | ATLANTA | 9748 | — | — |
| 404-283 | ATLANTA | 9748 | — | — |
| 404-318 | ATLANTA | 9748 | — | — |
| 404-415 | ATLANTA | 9748 | — | — |
| 404-570 | ATLANTA | 9748 | — | — |
| 404-571 | ATLANTA | 9748 | — | — |
| 404-650 | ATLANTA | 9748 | — | — |
| 404-742 | ATLANTA | 9748 | — | — |
| 404-743 | ATLANTA | 9748 | — | — |
| 404-746 | ATLANTA | 9748 | — | — |
| 404-776 | ATLANTA | 9748 | — | — |
| 404-833 | ATLANTA | 9748 | — | — |
| 404-864 | ATLANTA | 9748 | — | — |
| 404-866 | ATLANTA | 9748 | — | — |
| 404-871 | ATLANTA | 9748 | — | — |
| 404-899 | ATLANTA | 9748 | — | — |
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.