What are the Marcy Colony, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for Marcy ColonyZip CodePrimary CitySecondary City57366ParkstonMarcy Colony, Beardsley, MilltownCities sharing Zip Codes with Marcy ColonyZip CodePrimary CitySecondary CityMore Information57366ParkstonBeardsley57366ParkstonMarcy Colony57366ParkstonMilltownAdvertisements