605 Area Code

Primary cities: Sioux Falls, Rapid City, Spearfish, Aberdeen, Watertown ... all cities

Cities: Aberdeen, Academy, Alcester, Alexandria, Alpena, Alsen, Andover, Ardmore, Arlington, Armour, Artesian, Astoria, Avon, Baltic, Belle Fourche, Belvidere, Beresford, Big Stone City, Bison, Blunt, Bonesteel, Bowdle, Bradley, Brandon, Brandt, Bridgewater, Bristol, Britton, Brookings, Brookings Rural, Bryant Willow Lake, Buffalo, Buffalo Gap, Burke, Camp Crook, Canistota, Canova, Canton, Castlewood, Cavour, Center, Centerville, Chamberlain, Chester, Claire City, Claremont-san Dimas, Clark, Clayton, Clear Lake, Clearfield, Colton, Columbia, Conde, Corsica, Creighton, Cresbard, Crooks, Custer, De Smet, Dell Rapids, Delmont, Doland, Dupree, Eagle Butte, East Newcastle, Edgemont, Elk Point, Elkton, Emery, Enning, Estelline, Ethan, Eureka, Faith, Faulkton, Ferney, Flandreau, Florence, Flyger, Forestburg, Fort Thompson, Frederick, Freeman, Gann Valley, Garretson, Gary, Gettysburg, Glenham, Goodwin, Gregory, Groton, Harrisburg Tea, Harrold, Hartford, Hayes, Hayti, Hecla, Hermosa, Herreid, Highmore, Hill City, Hitchcock, Hosmer, Hot Springs, Houghton, Hoven, Howard, Hudson, Humboldt, Hurley, Huron, Interior, Ipswich, Irene, Iroquois, Isabel, Jefferson, Kadoka, Kennebec, Keystone, Kimball, Kyle, Lake Andes, Lake Norden, Lake Preston, Langford, Laplant, Lebanon, Lemmon, Lennox, Leola, Lesterville, Letcher, Long Lake, Long Valley, Madison, Marion, Martin, Maurine, Mcintosh, Mclaughlin, Meadow, Mellette, Menno, Midland, Milbank, Milesville, Miller, Mission, Mitchell, Mobridge, Mound City, Mount Vernon, Murdo, New Effington, New Holland, New Underwood, Newell, Nisland, North Bristow, North Cody, North Crookston, North Gordon, North Kilgore, North Larchwood, North Naper, North Sioux City, North Valentine, Nunda, Oelrichs, Oldham Ramona, Onaka, Onida, Oral, Orient, Parker, Parkston, Peever, Philip, Pierpont, Pierre, Pine Ridge, Plankinton, Platte, Pollock, Presho, Pukwana, Quinn, Rapid City, Redfield, Ree Heights, Reliance, Revillo, Roscoe, Rosebud, Rosholt, Roslyn, Salem, Scotland, Selby, Seneca, Sinai, Sioux Falls, Sisseton, Sorum, South Ashley, South Ellendale, South Forbes, South Forman, South Guelph, South Hettinger, South Ladd, South Lidgerwood, South Nelvik, South Reeder, South Scranton, South Shore, South Venturia, Spearfish, Spencer, Springfield, Stickney, Stockholm, Sturgis, Summit, Tabor, Timberlake, Tolstoy, Toronto, Tripp, Tulare, Turton, Tyndall, Valley Springs, Veblen, Vermillion, Viborg, Vivian, Volga, Wagner, Wakonda, Wall, Wall Lake, Wasta, Watertown, Waubay, Webster, Wentworth, Wessington, Wessington Springs, West Akron, West Browns Valley, West Hawarden, West Hendricks, West Jasper, West Marietta, White, White Lake, Whiteriver, Wicksville, Wilmot, Winfred, Winner, Witten, Wolsey, Wood, Woonsocket, Worthing, Yankton