(857) 285
Prefix in CAMBRIDGE, Massachusetts
Prefix Details
| Area Code | 857 |
| Prefix | 285 |
| Full Number Pattern | (857) 285-XXXX |
| Rate Center | CAMBRIDGE |
| State | Massachusetts |
| Operating Company | PAETEC COMMUNICATIONS, INC. - MA |
| Time Zone | Eastern (ET, UTC-5) |
About the (857) 285 Prefix
The (857) 285 prefix is assigned to PAETEC COMMUNICATIONS, INC. - MA 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.