What are the Simpson, Nevada Zip Codes for 2020, 2019Primary Zip Codes for SimpsonZip CodePrimary CitySecondary City89444WellingtonSimpson, Aurora, Sweetwater, Topaz Ranch EstatesCities sharing Zip Codes with SimpsonZip CodePrimary CitySecondary CityMore Information89444WellingtonAurora89444WellingtonSimpson89444WellingtonSweetwater89444WellingtonTopaz Ranch Estates Topaz Ranch Estates population stats Advertisements