Metro Fiber Maps: New England


A collection of metro fiber maps for networks within the state of New England, with a bit of overlap with the NY Metro area down in Stamford.

Name Maps Lit/Dark Comments
Spectrum Enterprise New England lit PDFs
Cambridge Network Solutions Boston, KMZ file dark on-net buildings
Crown Castle Boston, Bridgeport, Hartford, New Haven, Providence, Springfield, Stamford, Worcester both
Fibertech both Registration required
Level 3 Communications Boston, New Haven, Worcester, Burlington  both Google Maps, zoom in
MassBroadband Western Massachussetts
OpenCape Cape Cod
FirstLight Fiber Vermont, New Hampshire, Maine
Towardex Massachussetts lit
Zayo Boston both
Still seeking maps for the following known providers:
Cogent Boston, Stamford, Worcester, Providence lit on-net buildings tool
Lightower Extensive metro coverage across New England both
XO Boston 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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