JEFFERSNCY — MO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | 1811 | 14 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 9 |
| T-MOBILE USA, INC. | 6529 | 4 |
| UNITED STATES CELLULAR - MO | 6275 | 2 |
| PEERLESS NETWORK OF MISSOURI, LLC - MO | 225F | 1 |