Ashton, ID

ZIP code 83420 belongs to the city of Ashton, Idaho. Known for its scenic location at the base of the majestic Teton Mountains, Ashton is a popular destination for outdoor enthusiasts and nature lovers. The area is home to landmarks such as Mesa Falls, a stunning waterfall located along the Henrys Fork of the Snake River, and Harriman State Park, a pristine wilderness area perfect for hiking, fishing, and wildlife observation.