(857) 288
Prefix in BOSTON, Massachusetts
Prefix Details
| Area Code | 857 |
| Prefix | 288 |
| Full Number Pattern | (857) 288-XXXX |
| Rate Center | BOSTON |
| State | Massachusetts |
| Operating Company | XO MASSACHUSETS, INC. |
| Time Zone | Eastern (ET, UTC-5) |
About the (857) 288 Prefix
The (857) 288 prefix is assigned to XO MASSACHUSETS, INC. and serves the 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.