What are the Clear Lake, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for Clear LakeZip CodePrimary CitySecondary City57226Clear LakeClear Lake, Tunnerville, AltamontCities sharing Zip Codes with Clear LakeZip CodePrimary CitySecondary CityMore Information57226Clear LakeAltamont57226Clear LakeTunnervilleAdvertisements