Zip Area Code

Nantucket County, Massachusetts

Nantucket County, Massachusetts, has 3 towns and 3 ZIP codes, in area code 508, with 774 as an overlay.

Towns in Nantucket County, A to Z

TownZIP codesArea codes
Madaketnearest02554508, 774
Nantucket02554, 02584508, 774
Siasconset02564508, 774

ZIP codes in Nantucket County

Area codes in Nantucket County

  • Area code 508

    In service since July 16, 1988. Shares its area with 774. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 774

    In service since May 2, 2001. Shares its area with 508. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.