Newdale, ID

ZIP code 83436 covers the small town of Island Park in eastern Idaho. This area is known for its proximity to Yellowstone National Park and the breathtaking Henrys Lake. Island Park is also home to the world-famous Big Springs, where visitors can witness crystal-clear waters bubbling up from the ground and the historic Johnny Sack Cabin. Outdoor enthusiasts flock to this area for its fishing, hiking, and wildlife viewing opportunities.