What area code is Watertown, MA?
| City | Watertown, MA |
|---|---|
| State | Massachusetts |
| Area codes | 617 and 857 |
| Time zone | Eastern Time |
| Phone prefixes | 21 in our data |
Look up a Watertown number
Watertown’s area codes
| Area code | Also covers |
|---|---|
| 617 | Boston, Cambridge, Newton and Quincy |
| 857 | Boston, Cambridge, Brookline and Roxbury |
Other places in area code 617
- Boston, MA
- Cambridge, MA
- Newton, MA
- Quincy, MA
- Brookline, MA
- Brighton, MA
- Dorchester, MA
- Somerville, MA
- Jamaica Plain, MA
- Milton, MA
- East Boston, MA
- Everett, MA
- Hyde Park, MA
- Charlestown, MA
- Chelsea, MA
- Belmont, MA
- Waltham, MA
- Saugus, MA
- Winthrop, MA
- Dedham, MA
- Malden, MA
- Kingston, MA
- Melrose, MA
- Weymouth, MA
Questions
- What is the area code for Watertown, Massachusetts?
- Watertown uses 2 area codes: 617 and 857. 617 is the original or most common one, and newer numbers can be given 857.
- What time zone is Watertown in?
- Watertown is in Eastern Time.
- Do I need to dial the area code for a local call in Watertown?
- Yes. Because Watertown has more than one area code, local calls need all 10 digits: the area code plus the 7-digit number.
- How do I call Watertown from another country?
- Dial your country’s exit code (011 from most places, 00 from Europe), then 1, then the area code and number: +1 617 XXX XXXX.