Little Eagle, SD

ZIP code 57639 includes McLaughlin and surrounding rural areas in Corson County, South Dakota, within the Standing Rock Sioux Reservation. The area is characterized by open prairie, ranchland, and small-community services. Local landmarks include McLaughlin High School and McLaughlin City Park, while the nearby Grand River corridor is a notable natural feature. The community also reflects the region’s longstanding connections to the Standing Rock Sioux Tribe.