GRAVOIS ML — MO
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |
| BANDWIDTH.COM CLEC, LLC - MO | 993E | 1 |