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
Creating the go-to library of technology blogs, SDN celebrates writer Rob Swenson’s 500th post
This month Rob Swenson filed his 500th blog for SDN. They all come in bite-sized chunks, describing everything from our company’s growth and culture to cool gadgets and not-so-co...
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Recurring advice from experts: Back up data, train employees
Not surprisingly, attacks intended to disable computer systems in South Dakota schools increase about the time of semester tests. The culprits, presumably, are students who are sma...
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Russians at it again; US, UK warn businesses to do updates
U.S. and British government departments are warning businesses and individuals about a new global cyberattack targeting vulnerable routers and networking equipment across the world...
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SWWC Service Cooperative Chooses SDN, Local Internet Providers to Connect Schools for Broadband Services
Southwest West Central Service Cooperative (SWWC) headquartered in Marshall, MN, has chosen SDN Communications and its Minnesota and South Dakota partner companies to provide sever...
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