SMITHVILLE — MO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 2 |
| BANDWIDTH.COM CLEC, LLC - MO | 993E | 2 |
| BOOST SUBSCRIBERCO L.L.C. | 490J | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |