Zip Area Code

Randolph, Wisconsin

Randolph, Wisconsin, in Columbia County, has ZIP codes 53956 and 53957 and area code 920, with 274 as an overlay.

ZIP codes
53956, 53957
Area codes
920, 274
Time zone
Central Time
Coordinates
43.5375, -89.0049

ZIP codes in Randolph

ZIP codePost officeCountyArea codes
53956RandolphColumbia County920, 274
53957*RandolphColumbia County920, 274

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Randolph

  • 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

Randolph is in the Central Time zone.

Towns near Randolph