(857) 257
Prefix in SO BOSTON, Massachusetts
Prefix Details
| Area Code | 857 |
| Prefix | 257 |
| Full Number Pattern | (857) 257-XXXX |
| Rate Center | SO BOSTON |
| State | Massachusetts |
| Operating Company | METROPCS, INC. |
| Time Zone | Eastern (ET, UTC-5) |
About the (857) 257 Prefix
The (857) 257 prefix is assigned to METROPCS, INC. and serves the SO BOSTON 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.