Boston, MA Area Codes
Boston is served by area codes 617 and 857. It is in Massachusetts, Suffolk County. About 234,424 people live in its 36 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 617, 857 |
| State / province | Massachusetts |
| County | Suffolk County |
| Population | 234,424 |
| ZIP codes | 36 |
| Time zone | Eastern |
| Coordinates | 42.3536, -71.0382 |
What area code is Boston in?
ZIP codes in the code footprint
02108, 02109, 02110, 02111, 02112, 02113, 02114, 02115, 02116, 02117, 02118, 02123, 02127, 02128, 02133, 02163, 02196, 02199, 02201, 02203, 02204, 02205, 02206, 02210, 02211, 02212, 02215, 02217, 02222, 02241, 02266, 02283, 02284, 02293, 02297, 02298
Nearby towns and their area codes
Charlestown 617, 857Chelsea 617, 857Roxbury 617, 857Roxbury Crossing 617, 857Winthrop 617, 857Dorchester 617, 857Everett 617, 857Cambridge 617, 857
How to dial
Dial 617 + 7 digits for a number in Boston, or +1 617 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.