Zayo fiber services
Metro and long-haul dark fiber for carriers, enterprises and data-center networks. Provider source
North America
Verified
Coverage and service facts
- Service region Primary geography of the fiber or optical offer. Global marks cross-region networks.
- North America 1
- Markets / corridors Countries, metros and corridors named in the provider’s product or network documents.
- North American metro and long-haul dark fiber 1
- Documented offer Dark fiber, wavelength, or both, as the provider sells them.
- Dark fiber + wavelength 15
- Published reach Metro, long haul, or both, as the provider describes its network.
- Metro + long haul 1
- Route footprint mi Published route miles in the provider’s own unit. Footprint scope gives the date and coverage.
- 224,000 3
- Route footprint km Published route kilometers. Other network-length measures sit in Footprint scope.
- Not published
- Footprint scope What the network figure measures, where and when, in the provider’s own terms.
- 224,000 North American route miles and 32 million fiber miles (August 2026), including the acquired Crown Castle fiber. 34
- Metro markets Number of metro markets the provider publishes.
- Not published
- DC reach Data centers the provider connects. DC scope says whether they are on-net, connected or serviceable.
- Not published
- DC scope / access On-net, connected or serviceable, with the region covered and named facilities.
- Not published
- Commercial terms Lease, IRU and contract options as the provider states them.
- Not published
- Fiber specification ITU-T fiber standards the provider names for its dark fiber.
- Not published
- Engineering / delivery Topology, testing, monitoring, restoration and delivery targets the provider publishes.
- Full path transparency for physical route-diversity planning. 2
- Wavelength / spectrum offer Optical speeds and spectrum options the provider sells.
- 400G-enabled North American wavelength network 5
- Build / expansion evidence Dated route builds and expansions, with their stage: planned, under construction or live.
- August 2026: 15,000+ route miles of build and overbuild projects underway across North America. 4
- Ownership / legacy network Acquisitions and mergers behind the provider’s current name.
- Closed its purchase of Crown Castle Fiber Solutions on May 1, 2026, adding about 90,000 route miles and 40,000 on-net enterprise locations; EQT bought Crown Castle’s Small Cells unit (now Arium) separately. 3
- AI / hyperscaler project Named AI and hyperscaler fiber deals and builds, with announcement dates.
- August 2026 NVIDIA collaboration: 8,000+ miles of new long-haul fiber on six new AI-corridor routes, plus overbuilds in ten high-demand markets. 4
Get a Zayo route quote
Send Zayo your A and Z addresses and ask for a street-level route drawing, building entrances and a demarcation plan.
For dark fiber, ask for spare pair counts, OTDR and loss measurements, and who maintains each span.
Request dark fiber quotes
Send your endpoint addresses, fiber-pair requirement and target service date. Include the providers you want to contact and the physical diversity your design requires.
Opens your email app with a route checklist. We introduce you to the providers that fit, with your go-ahead.