WILLIMNTIC — CT
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 6388 | 6 |
| SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | 9147 | 5 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 4 |
| OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | 3 |
| PEERLESS NETWORK OF CONNECTICUT, LLC - CT | 539F | 2 |