Zip Area Code

Southeastern Connecticut, Connecticut

Southeastern Connecticut, Connecticut, has 5 towns and 5 ZIP codes, in area code 860, with 959 as an overlay.

Towns in Southeastern Connecticut, A to Z

TownZIP codesArea codes
Groton06340, 06349860, 959
North Westchester06474860, 959
Old Mystic06372860, 959
Versailles06383860, 959
West Mystic06388860, 959

ZIP codes in Southeastern Connecticut

Area codes in Southeastern Connecticut

  • Area code 860

    In service since August 28, 1995. Shares its area with 959. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 959

    In service since August 30, 2014. Shares its area with 860. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.