MEDFIELD — MA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW ENGLAND INC. | 9102 | 2 |
| AIRUS, INC. - MA | 428H | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 1 |
| BANDWIDTH.COM CLEC, LLC - MA | 990E | 1 |