Elkton

ZIP Code(s): 57026; County(s): Brookings;

Flandreau

ZIP Code(s): 57028; County(s): Moody;

Canistota

ZIP Code(s): 57012; County(s): McCook;

Faulkton

ZIP Code(s): 57438; County(s): Faulk;

Arlington

ZIP Code(s): 57212; County(s): Kingsbury, Brookings;

Porcupine

ZIP Code(s): 57772; County(s): Oglala Lakota;

Tripp

ZIP Code(s): 57376; County(s): Hutchinson;

Armour

ZIP Code(s): 57313; County(s): Douglas;

Hartford

ZIP Code(s): 57033; County(s): Minnehaha;

Tea

ZIP Code(s): 57064; County(s): Lincoln;

Newell

ZIP Code(s): 57760; County(s): Butte;

Piedmont

ZIP Code(s): 57769, 57709; County(s): Meade;

Redfield

ZIP Code(s): 57469; County(s): Spink;

Dupree

ZIP Code(s): 57623; County(s): Ziebach;

Winner

ZIP Code(s): 57580; County(s): Tripp;

Huron

ZIP Code(s): 57350, 57399; County(s): Beadle;

Kyle

ZIP Code(s): 57752; County(s): Oglala Lakota;

Avon

ZIP Code(s): 57315; County(s): Bon Homme;

Sisseton

ZIP Code(s): 57262; County(s): Roberts;