Dorchester, MA Area Codes
Dorchester is served by area codes 617 and 857. It is in Massachusetts, Suffolk County. About 86,181 people live in its 3 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 617, 857 |
| State / province | Massachusetts |
| County | Suffolk County |
| Population | 86,181 |
| ZIP codes | 3 |
| Time zone | Eastern |
| Coordinates | 42.3054, -71.0650 |
What area code is Dorchester in?
ZIP codes in the code footprint
Nearby towns and their area codes
Dorchester Center 617, 857Roxbury 617, 857Mattapan 617, 857Roxbury Crossing 617, 857Jamaica Plain 617, 857Roslindale 617, 857Boston 617, 857Brookline 617, 857
How to dial
Dial 617 + 7 digits for a number in Dorchester, or +1 617 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.