What are the Sweetwater, Nevada Zip Codes for 2020, 2019Primary Zip Codes for SweetwaterZip CodePrimary CitySecondary City89444WellingtonSweetwater, Aurora, Simpson, Topaz Ranch EstatesCities sharing Zip Codes with SweetwaterZip CodePrimary CitySecondary CityMore Information89444WellingtonAurora89444WellingtonSimpson89444WellingtonSweetwater89444WellingtonTopaz Ranch Estates Topaz Ranch Estates population stats Advertisements