Metro Fiber Maps: The Rockies


A collection of metro fiber maps for networks for the Rocky Mountain states: Colorado, Wyoming, Montana, Idaho, Nevada, and Utah.  The southwestern states of Arizona and New Mexico have their own page.    The major metro fiber to be found here is obviously in Denver, followed by Salt Lake City and Las Vegas, with a smattering in other metro areas like Boise and Colorado Springs.  I should note there are also regional fiber providers in several of these states who probably have metro assets as well.

Company Fiber Maps Lit/Dark Comments
ACT WY: Buffalo, Sheridan lit
Fatbeam Post Falls, Coeur D’Alene, Butte both Denver lit
Idaho Falls Power Idaho Falls both
Level 3 Communications Boise, Cheyenne, Colorado Springs, Denver, Fort Collins, Greeley, Las Vegas, Salt Lake City both Google Maps, zoom in
Unite Private Networks Aurora, Craig, Denver, Florence, Longmont, Pueblo, Westminster,Havre dark
Windstream Denver, Colorado Springs both
Zayo Billings, Boise, Colorado Springs, Denver, Las Vegas, Reno, Salt Lake City, Billings, Bozeman, Butte, Helena, Missoula, Cheyenne, Coeur d‘Alene both Google Maps Interface, zoom in
Still seeking maps for the following known providers:
Cogent Denver, Salt Lake City lit On-net buildings tool
PAETEC Denver, Salt Lake City lit
XO Denver, Salt Lake City both

Where possible, all links are to material offered on the websites of the company operating the fiber.  I prefer such links, but will sometimes host the files myself where the operator agrees, and in rare cases may point to third party sources.  Where available, links to on-net building lists are also given.

Additional maps of metro fiber networks that ought to be on this list are very welcome, as are corrections to the above links. Please just leave a comment below or send an email to

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