Cambridge, MA Area Codes
Cambridge is served by area codes 617 and 857. It is in Massachusetts, Middlesex County. About 119,000 people live in its 6 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 617, 857 |
| State / province | Massachusetts |
| County | Middlesex County |
| Population | 119,000 |
| ZIP codes | 6 |
| Time zone | Eastern |
| Coordinates | 42.3737, -71.1068 |
What area code is Cambridge in?
ZIP codes in the code footprint
02138, 02139, 02140, 02141, 02142, 02238
Nearby towns and their area codes
Somerville 617, 857Allston 617, 857Charlestown 617, 857Roxbury Crossing 617, 857Brighton 617, 857Brookline 617, 857Medford 339, 781Everett 617, 857
How to dial
Dial 617 + 7 digits for a number in Cambridge, or +1 617 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.