HANNIBAL — MO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 5 |
| UNITED STATES CELLULAR - MO | 6275 | 3 |
| T-MOBILE USA, INC. | 6529 | 2 |
| CHARITON VALLEY COMMUNICATIONS CORPORATION | 250A | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |