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
One South Dakota reservation is wired like none other
Think tribal territories don’t have technology? Think again. Cheyenne River Sioux Tribe Telephone Authority in Eagle Butte stands out, not only locally but nationally....
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It’s time to clean out your computer and tune up your life
National Clean Out Your Computer Day, which is the second Monday of every February, is a perfect observation for people like me....
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Local ISPs delivering alternate solutions where out-of-state providers won’t
As the state of South Dakota looks to connect all citizens, it should embrace all forms of connectivity, but do so realizing wireless technologies are a temporary fix....
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Concerns about data privacy moving closer to center stage
Data Privacy Day probably didn’t create three-day weekends for many Americans, but the Jan. 28 observation brought welcome attention to cyber issues of growing importance in the ...
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