ZIP Code 57782
Smithwick, South Dakota · Fall River County
No25590
Zip57782
TypePO BOX
Decommissioned0
Primary CitySmithwick
Acceptable Cities—
Unacceptable Cities—
StateSD
LstateSouth Dakota
CountyFall River County
TimezoneAmerica/Denver
Area Codes605
World RegionNA
CountryUS
Latitude43,3
Longitude-103,22