Zip Area Code

Green Lake County, Wisconsin

Green Lake County, Wisconsin, has 6 towns and 6 ZIP codes, in area code 920, with 274 as an overlay.

Towns in Green Lake County, A to Z

TownZIP codesArea codes
Dalton53926920, 274
Green Lake54941920, 274
Kingston53939920, 274
Markesan53946920, 274
Marquette53947920, 274
Princeton54968920, 274

ZIP codes in Green Lake County

Area codes in Green Lake County

  • Area code 920

    In service since July 26, 1997. Shares its area with 274. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 274

    In service since May 5, 2023. Shares its area with 920. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.