What are the Salem, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for SalemZip CodePrimary CitySecondary City57058SalemSalem, Unityville, CenterCities sharing Zip Codes with SalemZip CodePrimary CitySecondary CityMore Information57058SalemCenter57058SalemUnityvilleAdvertisements