What are the Richland, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for RichlandZip CodePrimary CitySecondary City57025Elk PointRichland, Junction City, SpinkCities sharing Zip Codes with RichlandZip CodePrimary CitySecondary CityMore Information57025Elk PointJunction City57025Elk PointRichland57025Elk PointSpinkAdvertisements