OFALLON — MO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF MISSOURI, LLC | 9787 | 8 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 4 |
| T-MOBILE USA, INC. | 6529 | 3 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 2 |
| SHELCOMM | 0051 | 1 |