360networks, Inc. was a Canadian-based wholesale telecommunications carrier. The company developed many long-haul fiber optic communications network routes throughout North America, many along railroad rights of way, consisting of both dark fiber and lit fiber. These long-haul routes included Chicago to New Orleans, Chicago to Denver, Chicago to Detroit, Chicago to New York, Seattle to Los Angeles, and Denver to San Francisco. In 2011, the company was acquired by Zayo Group.