NEENAH — WI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| WISCONSIN BELL INC | 9327 | 9 |
| ONVOY, LLC - WI | 225C | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | 2 |
| TWC IP ENABLED SERVICES, LLC | 793K | 2 |
| TDS METROCOM, LLC | 520K | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| WISCONSIN BELL INC | 9327 | 9 |
| ONVOY, LLC - WI | 225C | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | 2 |
| TWC IP ENABLED SERVICES, LLC | 793K | 2 |
| TDS METROCOM, LLC | 520K | 1 |