NEWMILFORD — CT
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | 9147 | 6 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 6388 | 2 |
| PAETEC ITEL, LLC | 829J | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - CT | 4800 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CT | 7143 | 1 |