ZIP Code 57440
Frankfort, South Dakota · Spink County
No25437
Zip57440
TypeSTANDARD
Decommissioned0
Primary CityFrankfort
Acceptable Cities—
Unacceptable CitiesSpink Colony
StateSD
LstateSouth Dakota
CountySpink County
TimezoneAmerica/Chicago
Area Codes605
World RegionNA
CountryUS
Latitude44,87
Longitude-98,3