What are the Lake Preston, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for Lake PrestonZip CodePrimary CitySecondary City57233Lake Preston57249Lake PrestonCities sharing Zip Codes with Lake PrestonZip CodePrimary CitySecondary CityMore Information57233Lake PrestonSpirit Lake57233Lake PrestonLake Preston Lake Preston population stats Advertisements