SDN Communications' network of more than 45,000 miles of fiber includes networks from 17 companies in South Dakota, eight in Minnesota and one in Iowa.
SDN's 17 owner companies (we call them Members) serve 80 percent of South Dakota's geography.
The SDN network expanded further into southern Minnesota and Iowa in 2016 and added two more in 2018.
The partnerships in all three states have improved connectivity and internet options for businesses in the region.
Beresford Municipal Telephone*
Blue Earth, Minn.
Cheyenne River Sioux Tribe Telephone Authority* (CRST)
Eagle Butte, SD
Golden West Telecommunications*
Interstate Telecommunications Coop* (ITC)
Clear Lake, SD
Le Sueur, Minn.
James Valley Telephone*
Kennebec Telephone Co.*
Lismore Cooperative Telephone Company
New Ulm, Minn.
Roberts County Telephone Coop*
New Effington, SD
Valley Telecommunications Coop*
West River Coop Telephone*
West River Telecom Cooperative*