What are the Edna, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for EdnaZip CodePrimary CitySecondary City57568PreshoEdna, Hilmoe, SweeneyCities sharing Zip Codes with EdnaZip CodePrimary CitySecondary CityMore Information57568PreshoEdna57568PreshoHilmoe57568PreshoSweeneyAdvertisements