MIDDLETON — WI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| MID-PLAINS TEL., INC. | 0881 | 12 |
| TDS METROCOM, LLC | 520K | 3 |
| ONVOY, LLC - WI | 225C | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| MID-PLAINS TEL., INC. | 0881 | 12 |
| TDS METROCOM, LLC | 520K | 3 |
| ONVOY, LLC - WI | 225C | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |