What are the Ipswich, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for IpswichZip CodePrimary CitySecondary City57451IpswichIpswich, Craven, Powell, MinaCities sharing Zip Codes with IpswichZip CodePrimary CitySecondary CityMore Information57451IpswichMina57451IpswichCraven57451IpswichPowellAdvertisements