What are the Hartley, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for HartleyZip CodePrimary CitySecondary City57553MilesvilleHartley, Billsburg,Cities sharing Zip Codes with HartleyZip CodePrimary CitySecondary CityMore Information57553MilesvilleBillsburg57553MilesvilleHartleyAdvertisements