Zip Area Code

Oneida, Wisconsin

Oneida, Wisconsin, in Brown County, has ZIP code 54155 and area code 920, with 274 as an overlay.

ZIP code
54155
Area codes
920, 274
Time zone
Central Time
Coordinates
44.5166, -88.1859

ZIP codes in Oneida

ZIP codePost officeCountyArea codes
54155OneidaBrown County920, 274

Area codes for Oneida

  • 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

Oneida is in the Central Time zone.

Towns near Oneida