What are the Carlock, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for CarlockZip CodePrimary CitySecondary City57533GregoryCarlock, Dixon, IonaCities sharing Zip Codes with CarlockZip CodePrimary CitySecondary CityMore Information57533GregoryDixon57533GregoryIona57533GregoryCarlockAdvertisements