ZIP Code 57233
Erwin, South Dakota · Kingsbury County
No25316
Zip57233
TypeSTANDARD
Decommissioned0
Primary CityErwin
Acceptable Cities—
Unacceptable CitiesSpirit Lake
StateSD
LstateSouth Dakota
CountyKingsbury County
TimezoneAmerica/Chicago
Area Codes605
World RegionNA
CountryUS
Latitude44,48
Longitude-97,44