What are the Reliance, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for RelianceZip CodePrimary CitySecondary City57569RelianceReliance, Grass Rope, LymanCities sharing Zip Codes with RelianceZip CodePrimary CitySecondary CityMore Information57569RelianceGrass Rope57569RelianceLymanAdvertisements