What are the Houston, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for HoustonZip CodePrimary CitySecondary City57544KennebecHouston, Iron MountainCities sharing Zip Codes with HoustonZip CodePrimary CitySecondary CityMore Information57544KennebecHouston57544KennebecIron MountainAdvertisements