SHEBOYGAN — WI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| WISCONSIN BELL INC | 9327 | 9 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 7 |
| UNITED STATES CELLULAR - WI | 6274 | 4 |
| METROPCS, INC. | 5562 | 3 |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 3 |