Zip Area Code

Berlin, Wisconsin

Berlin, Wisconsin, in Waushara County, has ZIP code 54923 and area code 920, with 274 as an overlay.

ZIP code
54923
Area codes
920, 274
Time zone
Central Time
Coordinates
43.9769, -88.9490

ZIP codes in Berlin

ZIP codePost officeCountyArea codes
54923BerlinWaushara County920, 274

Area codes for Berlin

  • 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.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Berlin is in the Central Time zone.

Towns near Berlin