LEONARD — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| MARK TWAIN RURAL TEL. CO. | 1914 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| MARK TWAIN RURAL TEL. CO. | 1914 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |