SDN Communications Share: CommunicationsComputer/Internet SDN Communications Visit Website 2900 W 10th Street Sioux Falls , SD 57014 (507) 526-5605 Visit our Website! Facebook Twitter About Map About SDN Communications is the premier business-to-business broadband service provider in the region that also provides the managed cybersecurity products and remote network monitoring to build a more secu What's Nearby? Distance: 5 10 15 20 25 50 mi.