NEW LONDON — WI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 4 |
| T-MOBILE USA, INC. | 6529 | 2 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | 1 |
| UNITED STATES CELLULAR - WI | 6274 | 1 |