Zip Area Code

Fond du Lac County, Wisconsin

Fond du Lac County, Wisconsin, has 20 towns and 16 ZIP codes, in area code 920, with 274 as an overlay.

Towns in Fond du Lac County, A to Z

TownZIP codesArea codes
Altonearest53919, 53963920, 274
Brandon53919920, 274
Brothertownnearest53049920, 274
Campbellsport53010920, 274
Eden53019920, 274
Eldorado54932920, 274
Fairwater53931920, 274
Fond Du Lac54935, 54936, 54937920, 274
Malone53049920, 274
Mount Calvary53057920, 274
North Fond du Lacnearest54935, 54979920, 274
Oakfield53065920, 274
Ripon54971920, 274
Rosendale54974920, 274
Saint Cloud53079920, 274
St. Cloudnearest53023, 53057, 53079920, 274
St. Peternearest53049920, 274
Taycheedahnearest54935920, 274
Van Dyne54979920, 274
Waupun53963920, 274

ZIP codes in Fond du Lac County

Area codes in Fond du Lac 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.