Twin Falls, ID

Located in the rural area of Arco, Idaho, ZIP code 83303 is surrounded by stunning mountain ranges and vast open spaces. The area is home to the historic Experimental Breeder Reactor-I, the first nuclear reactor to produce electricity. Nearby attractions include Craters of the Moon National Monument and Preserve, a unique landscape of volcanic cones and lava flows. Outdoor enthusiasts flock to this area for hiking, camping, and stargazing opportunities.