RICHLD CTR — WI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH INC. - WI | 0886 | 2 |
| TECH COM, INC. - WI | 2556 | 1 |
| UNITED STATES CELLULAR - WI | 6274 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |