Zip Area Code

Somerville, Massachusetts

Somerville, Massachusetts, in Middlesex County, has ZIP codes 02143, 02144 and 02145 and area code 617, with 857 as an overlay.

ZIP codes
02143, 02144, 02145
Area codes
617, 857
Time zone
Eastern Time
Coordinates
42.3913, -71.1059

ZIP codes in Somerville

ZIP codePost officeCountyArea codes
02143SomervilleMiddlesex County617, 857
02144SomervilleMiddlesex County617, 857
02145SomervilleMiddlesex County617, 857

Area codes for Somerville

  • Area code 617

    In service since 1947. Shares its area with 857. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 857

    In service since May 2, 2001. Shares its area with 617. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Somerville is in the Eastern Time zone.

Towns near Somerville