Webster

ZIP Code(s): 57274; County(s): Day;

Castlewood

ZIP Code(s): 57223; County(s): Hamlin;

Lake Poinsett

ZIP Code(s): 57234, 57248, 57212; County(s): Hamlin, Brookings;

Groton

ZIP Code(s): 57445; County(s): Brown;

Eagle Butte

ZIP Code(s): 57625; County(s): Dewey, Ziebach;

Brandon

ZIP Code(s): 57005; County(s): Minnehaha;

Viborg

ZIP Code(s): 57070; County(s): Turner;

Estelline

ZIP Code(s): 57234; County(s): Hamlin;

Chamberlain

ZIP Code(s): 57325, 57326; County(s): Brule;

Gregory

ZIP Code(s): 57533; County(s): Gregory;

Mission

ZIP Code(s): 57555; County(s): Todd;

Miller

ZIP Code(s): 57362; County(s): Hand;

Aurora

ZIP Code(s): 57002; County(s): Brookings;

Philip

ZIP Code(s): 57567; County(s): Haakon;

Hot Springs

ZIP Code(s): 57747; County(s): Fall River;