WATERLOO — WI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - WI | 007F | 1 |
| FRONTIER NORTH INC. - WI | 0886 | 1 |
| EON TELECOM, INC. | 839J | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - WI | 007F | 1 |
| FRONTIER NORTH INC. - WI | 0886 | 1 |
| EON TELECOM, INC. | 839J | 1 |