MT VERNON — AL
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| HD CARRIER LLC | 321J | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| ONVOY, LLC - AL | 604E | 1 |
| MCC TELEPHONY OF THE SOUTH, LLC - AL | 773F | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| HD CARRIER LLC | 321J | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| ONVOY, LLC - AL | 604E | 1 |
| MCC TELEPHONY OF THE SOUTH, LLC - AL | 773F | 1 |
| PAETEC ITEL, LLC | 829J | 1 |