Mission, SD

ZIP code 57555 corresponds to Mission, South Dakota. This area is home to the Rosebud Indian Reservation, which encompasses approximately 1,442 square miles and is the home of the Sicangu Lakota Oyate, also known as the Rosebud Sioux Tribe. The Rosebud Indian Health Service Hospital, Sicangu Heritage Center, and Rosebud Casino are some of the notable landmarks in this ZIP code.