NIAGARA — WI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NIAGARA TEL. CO. | 0920 | 1 |
| NEW CELL DBA CELLCOM | 6692 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NIAGARA TEL. CO. | 0920 | 1 |
| NEW CELL DBA CELLCOM | 6692 | 1 |