FLAT RIVER — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 3 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | 2 |
| ONVOY, LLC - MO | 093F | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |