Business Broadband Provider. Cybersecurity Leader.

SDN Communications' network of more than 45,000 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
Employees embrace opportunities to support school, call on other businesses
Employees at SDN Communications have a special relationship with several hundred elementary school students and their teachers. The students attend Garfield Elementary School, a pu...
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Hearing highlights rural connectivity successes and challenges
One of the keys to expanding connectivity in the nation is to first determine where people have access to high-speed fiber connectivity and where it doesn’t exist....
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Conference will showcase innovative technology in S.D.
It’s a good time to be in the telecommunications infrastructure business, according to Jennifer Fritzsche. She analyzes national telecom issues and says tens of billions of dolla...
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Downtown Sioux Falls likely to get its first small cell poles
Ten new light poles that will double as small cell support structures are expected to significantly enhance mobile connectivity in the area....
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