Zip Area Code

Newton, Massachusetts

Newton, Massachusetts, in Middlesex County, has ZIP code 02458 and area code 617, with 857 as an overlay.

ZIP code
02458
Area codes
617, 857
Time zone
Eastern Time
Coordinates
42.3528, -71.1875

ZIP codes in Newton

ZIP codePost officeCountyArea codes
02458NewtonMiddlesex County617, 857

Area codes for Newton

  • 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

Newton is in the Eastern Time zone.

Towns near Newton