LEESSUMMIT — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 10 |
| ONVOY, LLC - MO | 093F | 2 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 6123 | 2 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| TELNYX LLC | 073H | 1 |