FREMONT — WI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0841 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0841 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | 1 |