Glen Ullin, ND

ZIP code 58631 covers the town of Killdeer in North Dakota. This area is home to the Killdeer Mountains, a series of rugged hills known for their scenic beauty and recreational opportunities such as hiking and camping. Additionally, the nearby Little Missouri River provides ample opportunities for fishing and water sports. The zip code also encompasses the heart of downtown Killdeer, featuring local shops, restaurants, and community services.