Pima, AZ

ZIP code 85543 encompasses the rural area of Oracle, Arizona. It is home to the Biosphere 2 research facility, a unique glass-enclosed ecological system. The area is surrounded by the scenic Santa Catalina Mountains and offers outdoor recreational opportunities such as hiking and birdwatching. Additionally, the Oracle State Park, a 4,000-acre wildlife refuge, provides a serene escape into nature for visitors and residents alike.