BOULDER, Colo. – March 1, 2017 – Zayo Group Holdings, Inc. (NYSE: ZAYO) today announced it has closed its $1.42 billion acquisition of Electric Lightwave (formerly known as Integra Telecom), an infrastructure and telecom services provider serving 35 markets in the western U.S.

The acquisition adds 8,100 route miles of long haul fiber and 4,000 miles of dense metro fiber across Denver, Minneapolis, Phoenix, Portland, Seattle, Sacramento, San Francisco, San Jose, Salt Lake City, Spokane and Boise, with on-net connectivity to more than 3,100 enterprise buildings and 100 data centers.