ZIP Code 57661
Whitehorse, South Dakota · Dewey County
No25542
Zip57661
TypePO BOX
Decommissioned0
Primary CityWhitehorse
Acceptable Cities—
Unacceptable Cities—
StateSD
LstateSouth Dakota
CountyDewey County
TimezoneAmerica/Denver
Area Codes605
World RegionNA
CountryUS
Latitude45,26
Longitude-100,96