What are the Porcupine, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for PorcupineZip CodePrimary CitySecondary City57772PorcupinePorcupine, Rockyford, Sharps CornerCities sharing Zip Codes with PorcupineZip CodePrimary CitySecondary CityMore Information57772PorcupineRockyford57772PorcupineSharps CornerAdvertisements