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 Broadband Deployment in South Dakota Ahead of National Average
Rural South Dakotans have greater access to wired broadband telecommunications services than many of their counterparts across the country, according to a new report released by th...
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Catholic Pastoral Center fights phishing threat in good humor
Cybersecurity is serious business. The consequences of a successful attack on an organization’s network can be enormous. That doesn’t mean training staff members to reduce cybe...
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Security committees help companies bolster defenses
Businesses and other organizations have had to step up their defenses, including planning, to reduce the risks of being victimized....
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Boys Scouts get support from SDN and business community
The Sioux Council of the Boy Scouts of America plans to raise nearly $1.6 million to improve scouting facilities at its regional center in Sioux Falls and SDN will play a role in m...
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