Zip Area Code

Winthrop, Massachusetts

Winthrop, Massachusetts, in Suffolk County, has ZIP code 02152 and area code 617, with 857 as an overlay.

ZIP code
02152
Area codes
617, 857
Time zone
Eastern Time
Coordinates
42.3763, -70.9800

ZIP codes in Winthrop

ZIP codePost officeCountyArea codes
02152WinthropSuffolk County617, 857

Area codes for Winthrop

  • 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

Winthrop is in the Eastern Time zone.

Towns near Winthrop