VIOLA — WI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERNON TEL. COOP. | 0966 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| MCC TELEPHONY OF THE MIDWEST, LLC - WI | 983F | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| VERNON TEL. COOP. | 0966 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| MCC TELEPHONY OF THE MIDWEST, LLC - WI | 983F | 1 |