Zip Area Code

Kewaunee County, Wisconsin

Kewaunee County, Wisconsin, has 4 towns and 4 ZIP codes, in area code 920, with 274 as an overlay.

Towns in Kewaunee County, A to Z

TownZIP codesArea codes
Algoma54201920, 274
Casco54205920, 274
Kewaunee54216920, 274
Luxemburg54217920, 274

ZIP codes in Kewaunee County

Area codes in Kewaunee 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.