MADISON — MN
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF MINNESOTA, INC. | 1367 | 1 |
| FARMERS MUTUAL TELEPHONE COMPANY - MN | 2836 | 1 |
| MCC TELEPHONY OF MINNESOTA, LLC - MN | 719F | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF MINNESOTA, INC. | 1367 | 1 |
| FARMERS MUTUAL TELEPHONE COMPANY - MN | 2836 | 1 |
| MCC TELEPHONY OF MINNESOTA, LLC - MN | 719F | 1 |