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
DSU is helping bridge the gender gap in cybersecurity
Nationally, only about 11 percent of the people working in cybersecurity are women. Dr. Ashley Podhradsky, a faculty member at Dakota State University, doesn’t like to talk about...
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New interns start at SDN and will help keep company strong
A fresh class of interns is settling in at SDN Communications. Four new interns recently started work, and three previously hired interns are either staying on longer or wrapping u...
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FCC commissioner checks out communications environment
FCC Commissioner Brendan Carr spent two days in Sioux Falls during a multistate, information-gathering field trip....
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South Dakota justifiably adds breach-notification law
Businesses that use and store computerized data ­probably should familiarize themselves with provisions of South Dakota’s first-ever breach-notification law, which takes effect ...
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