Tucson, AZ

ZIP code 85775 in Tucson, Arizona is primarily the location of the Biosphere 2, an Earth systems science research facility that contains five biomes. This area also houses Oracle State Park, a 4,000-acre wildlife refuge with hiking trails and picturesque views of the Sonoran Desert. Additionally, the zip code encompasses portions of the Santa Catalina and Galiuro Mountains, offering outdoor enthusiasts ample opportunities for exploration and adventure.