What are the Gill, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for GillZip CodePrimary CitySecondary City57760NewellGill, Castle Rock, Cedar Canyon, HooverCities sharing Zip Codes with GillZip CodePrimary CitySecondary CityMore Information57760NewellCastle Rock57760NewellCedar Canyon57760NewellGill57760NewellHooverAdvertisements