Member Company Directory
Alliance Communications Cooperative, Inc
612 3rd Street
PO Box 349
Garretson SD 57030
605-594-3411
Alliance Communications Cooperative, Inc. was originally incorporated in 1955 as Garretson Cooperative Telephone Association. The present day name was adopted in 2003 when Splitrock Telecom merged with Baltic Telcom and East Plains Telecom. Alliance offers its services over a 100 percent fiber optic network.
Counties: SD: Clay, Kingsbury, Lake, Lincoln, Miner, Minnehaha, Moody, Turner, Union; MN: Rock; IA: Lyon
Exchanges: SD: Alcester, Baltic, Brandon, Carthage, Crooks, Garretson, Howard, Hudson, Lyons, Oldham, Ramona, Sherman, Valley Springs; MN: Hills, Steen; IA: Alvord, Inwood, Larchwood, Lester.
Memberships: National Association, NTCA, NCTC
Beresford Municipal Telephone Company
101 South 3rd Street
Beresford SD 57004
605-763-2500
Established in 1925, Beresford Municipal Telephone Company has been the trusted provider of communication services in the City of Beresford. In 1965, it transitioned from a manually operated switchboard to the world's first municipally operated push-button system. The company expanded its offerings by launching cable TV services in 1983 and introducing internet service in 1996. As of 2021, the Telephone Company has fully transitioned to a fiber optic network, delivering state-of-the-art connectivity to 100% of its customers.
Counties: Lincoln, Union
Exchanges: Beresford
Memberships: National Association, NTCA, NCTC
Cheyenne River Sioux Tribe Telephone Authority
625 N. Main Street
PO Box 810
Eagle Butte SD 57625
http://www.crstta.com
605-964-2600
Established in 1958, C.R.S.T. Telephone Authority was the first Tribally-owned telephone company to utilize the loan process from the Rural Electric Administration (REA). Since 1977, the company has built a solid financial relationship with the Rural Utility Service (RUS), utilizing the loan process to access millions of dollars of working capital. C.R.S.T. Telephone Authority has invested over $30 Million of RUS Loan funds in FTTH in all five of its exchanges. C.R.S.T. Telephone Authority also provides broadband service in a CLEC territory, Timber Lake.
Counties: Corson, Dewey, Ziebach
Exchanges: Dupree, Eagle Butte, Isabel, LaPlant, South Dupree
Memberships: NTCA, NTTA
Faith Municipal Telephone Company
PO Box 368
Faith SD 57626
http://www.faith.govoffice.com
605-967-2261
The City of Faith had its first telephone switchboard about 1918. When Bell Telephone gave the city a manual switchboard in 1952, Faith's system was rebuilt to accommodate the switchboard in 30 days, causing Bell Telephone to refer to it as "the 30-day wonder."
Counties: Meade
Exchanges: Faith
Fort Randall Telephone Company
1104 - 19th Ave SW - Ste B
Willmar MN 56201
https://fortrandall.hcinet.net
Ph: 320-387-2211
Other Locations:
320 First St.
Keystone, SD 57751
Ph: 605-666-4411
641 Broadway
Centerville, SD 57014
Ph: 605-563-2863
722 W Hwy. 46
Wagner, SD 57380
Ph: 605-384-3993
Counties: Bon Homme, Charles Mix, Clay, Lincoln, Turner, Yankton, Pennington, Shannon, Custer
Exchanges: Centerville, Lake Andes, Tabor, Tyndall, Viborg, Keystone, Hermosa, Wagner
Memberships: National Association, USTA, NTCA
Golden West Telecommunications Cooperative
415 S. Crown St
PO Box 411
Wall SD 57790
605-279-2161
Golden West Telecommunications Cooperative serves nearly 1/3 of South Dakota's geography. Golden West's fiber optic network serves business and residential customers in more than 70 communities and 36 counties.
Counties: SD: Aurora, Bennett, Bon Homme, Butte, Charles Mix, Custer, Davison, Douglas, Fall River, Gregory, Haakon, Hutchinson, Jackson, Jones, Lake, Lyman, McCook, Meade, Mellette, Minnehaha, Moody, Pennington, Perkins, Oglala-Lakota, Stanley, Tripp, Todd, Turner, Yankton, Ziebach;
NE: Boyd, Dawes, Keya Paha, Sheridan, Sioux; WY: Niobrara, Weston
Exchanges: SD: Ardmore, Armour, Avon, Belvidere, Bonesteel/Fairfax, Bridgewater, Buffalo Gap, Burke/Herrick, Canistota, Clearfield, Colton, Corsica, Creighton, Custer, Dell Rapids/Trent, Edgemont, Enning, Evergreen, Faith Rural, Freeman, Gregory, Hartford, Hayes, Humboldt-Montrose, Hot Springs, Interior, Kadoka, Kyle, Lesterville, Longvalley/Wanblee, Marion, Manderson, Martin, Maurine, Menno/Olivet, Midland, Milesville, Mission/Antelope/Okreek, Murdo/Draper, New Underwood, Oelrichs, Oral, Pine Ridge, Plankinton, Philip, Quinn, Reliance/LowerBrule, Rosebud/Saint Francis/Parmelee, Scotland/Kaylor, Springfield/Running Water, Vivian, Wall, Wall Lake, Wasta/Scenic, White River, Wicksville, Winner/Colome, Witten, Wood;
NE: S. Ardmore, S. Bonesteel, S. Burke, S. Gregory, S. Oelrichs, White Clay;
WY: W. Edgemont
Memberships: NTCA
Interstate Telecommunications Cooperative
312 - 4th Street West
Clear Lake SD 57226
605-874-2181
Interstate Telecommunications Cooperative, Inc. came into existence on January 1, 1988 as the result of the consolidation of Brookings Lake Telephone Company (incorporated in 1952) and Deuel Telephone Cooperative Association Inc. (incorporated in 1954).
Counties: In SD - Brookings, Day, Deuel, Clark, Codington, Grant, Hamlin, Lake, Moody and Roberts, and in MN – Lac Qui Parle, Lincoln and Yellow Medicine
Exchanges: Astoria, Bradley, Brandt, Brookings (Rural), Bryant, Castlewood, Chester, Clark, Clear Lake, Elkton, Estelline, Florence, Gary, Goodwin, Hayti, Hendricks (MN), Ivanhoe (MN) Lake Benton (MN), Lake Norden, Madison (Rural) Milbank, Nunda, Revillo, Sinai, South Shore, Stockholm, Toronto, Watertown (Rural), Waubay, Webster, Wentworth, White, Willow Lake
Memberships: NTCA
James Valley Telecommunications
234 E. 1st Ave
Groton SD 57445
605-397-2323
James Valley Cooperative Telephone was incorporated in 1951 and became the successor of the Groton-Ferney Mutual Telephone Company. Over time, the cooperative expanded to include members in Brown, Day, Spink, Marshall, Clark, Edmunds, Faulk and McPherson counties. The company has further grown to include additional neighboring markets through its wholly owned subsidiary Northern Valley Communications (NVC).
Counties: Brown, Clark, Day, Marshall, McPherson, Spink
Exchanges: Aberdeen, Andover, Bristol, Claremont, Columbia, Conde, Doland, Ferney, Frederick, Groton, Hecla, Houghton, Mellette, North Hecla, Redfield, Turton
Memberships: National Association, NTCA
Kennebec Telephone Company, Inc
220 S. Main St
Kennebec SD 57544
http://www.kennebectelephone.com
605-869-2220
Kennebec Telephone had its origins in 1908 when a small group of homesteaders built their own telephone line. A year later the line was connected into a few homes in the town of Kennebec. Lloyd and Delores Johnstone sold 35 cows to purchase the company in 1952. Delores sold the operation in 1998 to the Rod Bowar family and later on Matt Collins acquired part ownership. The 100-plus year old company, along with its numerous business divisions, continues to operate and grow.
Counties: Lyman, Tripp, Mellette
Exchanges: Kennebec, Presho
Memberships: National Association, NTCA
Midstate Communications
120 East First St
Kimball SD 57355
605-778-6221
The effort to bring a good telephone system to the area served by Midstate Communications Cooperative began almost simultaneously in Aurora County by George Moseman and in Buffalo County by Joe Knippling and Harold Brown in 1949. In 1951 contact was made between the three men and Midstate Telephone Company was incorporated in 1952.
Counties: Aurora, Brule, Buffalo, Charles Mix, Douglas, Lyman
Exchanges: Academy, Chamberlain, Delmont, Ft. Thompson, Gann Valley, Geddes, Kimball, New Holland, Oacoma, Platte, Pukwana, Stickney, White Lake
Memberships: National Association, NTCA, NCTC, NRTC
RC Technologies
10 Oddin Ave
New Effington SD 57255
605-637-5211
RC Technologies began its roots in 1907 when a group of farmers from the New Effington area formed Roberts County Farmers Cooperative Telephone Company so that area residents had communication. As a 100% fiber optic network, RC Technologies delivers lightning-fast broadband speed with superior customer support for modern-day households and businesses to stream, game, and manage their homes and businesses with smart appliances. By "excelling through our cooperative spirit while at the forefront of technology, we create tomorrow's opportunities through technology" is our mission and vision.
Counties: SD: Roberts, Marshall, Codington; ND: Richland, Sargent
Exchanges: Claire City, New Effington, Veblen, Peever, Wilmot, Summit, Corona, Kranzburg, Big Stone Lake area
Memberships: National Association, NTCA
Santel Communications Cooperative
308 S. Dumont Ave.
Woonsocket SD 57385
605-796-4411
Santel Communications Cooperative was formed in 1952. Today the members are provided up to Gigabit broadband internet, digital TV, and phone service over a 100% fiber optic network. We also provide managed business phone and managed IT services and equipment to the cooperative territory and beyond.
Counties: Aurora, Beadle, Bon Homme, Clay, Davison, Douglas, Hanson, Hutchinson, Jerauld, Miner, Sanborn, Yankton
Exchanges: Alpena, Artesian, Ethan, Forestburg, Huron, Letcher, Mt. Vernon, Parkston, Tripp, Wolsey Woonsocket; rural Huron, Mitchell, Vermillion and Yankton
Memberships: National Association, NTCA
Swiftel Communications (Brookings Municipal Telephone)
PO Box 588
415 Fourth Street
Brookings SD 57006
605-692-6211
Swiftel Communications began providing telephone service more than 115 years ago as Brookings Telephone, a department of Brookings Municipal Utilities. Swiftel Communications offers its municipally owned services over a fiber optic network.
Counties: Brookings
Exchanges: Brookings
Memberships: NTCA, NCTC
TrioTel Communications, Inc
330 S. Nebraska St
Salem SD 57058
605-425-2238
TrioTel Communications, Inc., formerly McCook Cooperative Telephone Company was established in 1951 when the first Board of Directors meeting was held in Salem, SD. The Directors ultimate goal was to provide telephone service to rural subscribers that would be comparable in quality to that enjoyed by urban telephone customers. In 2013, TrioTel deployed advanced services via fiber optic network to 100% of members.
Counties: McCook, Hanson, Miner, Lake, Hutchinson
Exchanges: Alexandria, Canova, Center, Salem, Spencer, Winfred, Emery, Clayton, Fulton, Junius
Memberships: National Association, NTCA
Valley Telecommunications Cooperative
102 Main Street S
Herreid SD 57532
605-437-2615
Valley Telecommunications Cooperative was incorporated in 1952 as Valley Telephone Cooperative. Two years earlier, area residents who were interested in bringing improved service to the area organized, began canvassing the area for signatures to obtain a loan from the Rural Electric Service. An REA loan was obtained in 1954 and construction began in 1955. Dial tone service was established in 1956. Services were delivered to 100% of Valley's members via its fiber optic network by 2016. In 2019 Valley formed Valley FiberCom, a CLEC serving Flandreau, Colman, Volga, Arlington, Lake Preston, DeSmet, and Iroquois in east central South Dakota.
Counties: Campbell, Edmunds, McPherson, Walworth, Moody, Brookings, Kingbury, Beadle
Exchanges: Eureka, Glenham, Herreid, Hosmer, Ipswich, Leola, Long Lake, Mound City, Pollock, Flandreau, Coleman, Volga, Arlington, Lake Preston, DeSmet, Iroquois
Memberships: National Association, NTCA
Venture Communications Cooperative
218 Commerical Ave SE
Highmore SD 57345
605-852-2224
Founded in 1952 as Sully Buttes Telephone Cooperative, Venture Communications Cooperative is a member-owned telecommunications provider serving rural central and northeastern South Dakota. In 2002, the cooperative rebranded as Venture Communications Cooperative to reflect its growing commitment to innovation and advanced technology. Venture began deploying Fiber-to-the-Home (FTTH) technology in 2007 and completed a fully fiber-optic network across its service area in 2019, becoming 100% fiber-to-the-home. Through continued infrastructure investment, strategic system acquisitions, and partnerships—including collaboration with the South Dakota Governor’s Office of Economic Development—Venture has expanded fiber connectivity to underserved rural communities near Pierre, Miller, Huron, and Fort Pierre. Venture serves more than 30 communities and the surrounding areas, offering a full range of residential and business services, including high-speed fiber internet with managed Wi-Fi, residential phone service, streaming TV, business internet, Venture Voice, a unified communications service for businesses, and cellular service.
Counties: Beadle, Brown, Buffalo, Campbell, Clark, Day, Edmunds, Faulk, Hand, Hughes, Hyde, Jerauld, Lyman, Marshall, Potter, Roberts, Spink, Stanley, Sully, Walworth
Exchanges: Blunt, Bowdle, Britton, North Britton, Carpenter, Cresbard, Faulkton, Ft. Pierre (Rural), Gettysburg, Harrold, Highmore, Hitchcock, Hoven, Java, Langford, Lebanon, Onaka, Onida, East Onida, West Onida, Orient, Pierpont, Pierre (Rural), Ree Heights, Roscoe, Rosholt, Roslyn, Selby, Seneca, Sisseton, Tolstoy, Tulare, Wessington, Wessington Springs, Yale
West River Cooperative Telephone Company
801 Coleman Ave
Bison SD 57620
605-244-5213
West River Cooperative Telephone Company was organized in 1953 by the Board of Directors of Grand Electric Cooperative. Grand Electric Directors felt that electric service would greatly improve if members could call in when they were out of power. WRCTC bought the Sorum Telephone Co. in 1958 and five exchanges from US West between 1975 and 1996. WRCTC is headquartered in Bison, SD with branch offices in Buffalo, Lemmon and Newell. WRCTC offers its services over a 100 percent fiber optic network.
Counties: SD: Butte, Corson, Harding, Meade, Perkins, Ziebach; MT-Carter; ND: Adams, Grant, Sioux
Exchanges: Bison, Buffalo, Camp Crook, Lemmon, Meadow, Newell, Nisland, Sorum
Memberships: National Association, NTCA, NRTC
West River Telecommunications Cooperative
101 Main St. W
Hazen ND 58545
701-748-2211
West River Telecommunications Cooperative was formed in 1952 to serve the rural people that the large telephone companies didn't want to serve. WRT continued to construct out to rural areas as well as purchase telephone companies in the surrounding area - including Mobridge, SD from US West in 1996. The company is 100% fiber connected. WRT is headquartered in Hazen, ND with branch offices in Mobridge, SD and Beulah, ND.
SD Counties: Corson, Walworth, Dewey
SD Exchanges: McLaughlin, Mobridge
SD Memberships: National Association, NTCA