What are the Milbank, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for MilbankZip CodePrimary CitySecondary City57252Milbank57253MilbankState Auto InsuranceCities sharing Zip Codes with MilbankZip CodePrimary CitySecondary CityMore Information57253MilbankState Auto InsuranceAdvertisements