Coleharbor, ND

ZIP code 58531 encompasses the town of Glen Ullin in North Dakota. This small, charming community is home to landmarks such as Sacred Heart Catholic Church, a historic building dating back to the early 1900s, and Glen Ullin City Hall. The town also offers access to the nearby Killdeer Mountain Battlefield State Historic Site, where visitors can explore the site of a significant battle between the Sioux and Arikara tribes.