Zip Area Code

Rio, Wisconsin

Rio, Wisconsin, in Columbia County, has ZIP code 53960 and area code 920, with 274 as an overlay.

ZIP code
53960
Area codes
920, 274
Time zone
Central Time
Coordinates
43.4231, -89.2354

ZIP codes in Rio

ZIP codePost officeCountyArea codes
53960RioColumbia County920, 274

Area codes for Rio

  • 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

Rio is in the Central Time zone.

Towns near Rio