What are the Highmore, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for HighmoreZip CodePrimary CitySecondary City57345HighmoreHighmore, Howell, TennisCities sharing Zip Codes with HighmoreZip CodePrimary CitySecondary CityMore Information57345HighmoreHowell57345HighmoreTennisAdvertisements