What are the Sweeney, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for SweeneyZip CodePrimary CitySecondary City57568PreshoSweeney, Edna, Hilmoe,Cities sharing Zip Codes with SweeneyZip CodePrimary CitySecondary CityMore Information57568PreshoEdna57568PreshoHilmoe57568PreshoSweeneyAdvertisements