What are the Spearfish, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for SpearfishZip CodePrimary CitySecondary City57783Spearfish57799SpearfishBlack Hills State UniversityCities sharing Zip Codes with SpearfishZip CodePrimary CitySecondary CityMore Information57799SpearfishBlack Hills State UniversityAdvertisements