What are the Lightcap, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for LightcapZip CodePrimary CitySecondary City57633IsabelLightcap, FiresteelCities sharing Zip Codes with LightcapZip CodePrimary CitySecondary CityMore Information57633IsabelFiresteel57633IsabelLightcapAdvertisements