What are the Orton, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for OrtonZip CodePrimary CitySecondary City57532Fort PierreOrton, Lacy, Laroche, Lindsey, Norman Ranch, Mission RidgeCities sharing Zip Codes with OrtonZip CodePrimary CitySecondary CityMore Information57532Fort PierreMission Ridge57532Fort PierreLacy57532Fort PierreLaroche57532Fort PierreLindsey57532Fort PierreNorman Ranch57532Fort PierreOrtonAdvertisements