(857) 242
Prefix in CAMBRIDGE, Massachusetts
Prefix Details
| Area Code | 857 |
| Prefix | 242 |
| Full Number Pattern | (857) 242-XXXX |
| Rate Center | CAMBRIDGE |
| State | Massachusetts |
| Operating Company | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
| Time Zone | Eastern (ET, UTC-5) |
About the (857) 242 Prefix
The (857) 242 prefix is assigned to U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS and serves the CAMBRIDGE rate center in Massachusetts. Phone numbers with this prefix are in the Eastern Time Zone and are part of area code 857 which covers Boston and surrounding areas.