What are the Hetland, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for HetlandZip CodePrimary CitySecondary City57212ArlingtonHetland, Lake Poinsett,Cities sharing Zip Codes with HetlandZip CodePrimary CitySecondary CityMore Information57212ArlingtonHetland57212ArlingtonLake Poinsett Lake Poinsett population stats Advertisements