WARRENTON — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - MO | 093F | 2 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| BRIGHTSPEED OF MISSOURI, LLC | 9787 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | 1 |