Where is Zip Code 57638 map for 2020, 2019Primary Zip Codes for 57638Zip CodePrimary CitySecondary City57638LemmonLemmon, White Butte, Shadehill, Thunder HawkCities sharing Zip Codes with 57638Zip CodePrimary CitySecondary CityMore Information57638LemmonShadehill57638LemmonThunder Hawk57638LemmonWhite ButteAdvertisements