Keldron, SD

ZIP code 57634 belongs to Eagle Butte, located in northwestern South Dakota. This area is notable for being the headquarters of the Cheyenne River Indian Reservation. Significant landmarks in this ZIP code include the Cheyenne River and the Cheyenne River Agency, which serves as the administrative center for the reservation. Eagle Butte also offers a glimpse into Lakota culture and traditions through local events and art.