Agar, SD

ZIP code 57520 covers the area of Eagle Butte, a city in South Dakota. Located within the Cheyenne River Indian Reservation, this area is home to the Cheyenne River Sioux Tribe. Important landmarks in ZIP code 57520 include the Cheyenne River Health Center, Cheyenne River College Center, and the Cheyenne River Veterans Center. The community is rich in Native American culture and historical significance.