RHINELANDR — WI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 15 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | 6 |
| FRONTIER COMMUNICATIONS OF WISCONSIN LLC | 0870 | 4 |
| ONVOY, LLC - WI | 225C | 2 |
| METRO SOUTHWEST PCS, LLP | 9759 | 2 |