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SDN Communications



About Us

SDN is the region's premier business-to-business broadband service provider. It has the most extensive fiber optic network in the area, moving voice, data, Internet and video over a 30,000-mile fiber optic network. Businesses with multiple locations, such as hospitals, banks, schools and government agencies, use SDN for:

- Connectivity - Wide Area Networks for multiple-location offices
- Internet - Dedicated service
- Managed Services - including Firewalls, Routers & Remote Network Monitoring

SDN's network is made up of its 17 owner companies - South Dakota's independent telephone companies. For more information call 1-800-247-1442 or visit


SDN Communications - Main Building

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