Business Broadband Provider. Cybersecurity Leader.

SDN Communications' network of more than 30,000 miles of fiber connects the area’s leading businesses. 
With a 91 percent customer satisfaction rating (a record high for the industry), SDN’s state-of-the-art telecommunications services also come with unparalleled customer service and support.

SDN is the biggest fiber-optic network in the region.
Find out how to harness the power of SDN's reliable network that stretches across the Midwest.

Recent SDN Blogs
Rural telecoms getting S.D. connected at a high level
Regardless of whether a person lives in Sioux Falls, the Black Hills or the northeast corner of South Dakota, access to reliable, secure internet connectivity has become as critica...
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Technology Showcase will highlight cool innovations in S.D.
The third annual Technology Showcase will be held from 7:30 a.m. until 1 p.m. on Tuesday, Sept. 25 at the Hilton Garden Inn in downtown Sioux Falls....
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Brookings and region benefit from improved cell services
Students and employees at South Dakota State University are among the places in South Dakota enjoying improved mobile phone coverage this new school year....
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New tally for rural telecoms: 45,000 miles of fiber and counting
Driving across South Dakota from Brookings to Belle Fourche will put about 450 miles on your vehicle’s odometer. Make the trip 100 times and you'll get a strong appreciation for ...
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