Killdeer, ND

ZIP code 58640 covers the small town of Fort Yates, North Dakota. This area is most notably home to the Standing Rock Indian Reservation, which spans across North and South Dakota. Fort Yates is also where the Standing Rock Sioux Tribe is headquartered and where the Sitting Bull College is located. Additionally, visitors can explore historical sites such as the Fort Yates Agency and the Sitting Bull Burial Site.