What are the Round Lk Hts, Illinois Zip Codes for 2020, 2019Primary Zip Codes for Round Lk HtsZip CodePrimary CitySecondary City60073Round LakeRound Lk Hts, Hainesville, Round Lake Beach, Round Lake Heights, Round Lake Park, Round Lk Bch, Round Lk Park, VoloCities sharing Zip Codes with Round Lk HtsZip CodePrimary CitySecondary CityMore Information60073Round LakeHainesville60073Round LakeRound Lake Beach60073Round LakeRound Lake Heights60073Round LakeRound Lake Park60073Round LakeRound Lk Bch60073Round LakeRound Lk Hts60073Round LakeRound Lk Park60073Round LakeVoloAdvertisements