WESTBORO — MA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW ENGLAND INC. | 9102 | 8 |
| PAETEC ITEL, LLC | 829J | 4 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | 2 |
| TC SYSTEMS, INC. | 7135 | 2 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 2 |