COLUMBIA — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF MISSOURI, LLC | 9784 | 23 |
| T-MOBILE USA, INC. | 6529 | 8 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 8 |
| ONVOY, LLC - MO | 093F | 4 |
| UNITED STATES CELLULAR - MO | 6275 | 4 |