Ziply Fiber data center

Take control of your network with dedicated dark fiber

Dark fiber from Ziply Fiber gives you private, unlit capacity on a 400G-ready backbone. You run the equipment. You manage the optical layer.
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Built for buyers who know what they need

Dark fiber is the right choice when control matters more than convenience. You’re buying the route, not a managed service on top of it — which means architecture decisions, vendor selection and capacity planning stay with you.

 

Our national footprint includes dense metro fiber rings in key PNW markets such as Seattle, Portland, Hillsboro, Boise and Spokane, and long-haul routes reaching Salt Lake City, Denver, Minneapolis, Chicago and Ashburn. Availability is route-specific. We won’t pretend otherwise. But if your corridor works, we’ll tell you fast.

Why dark fiber from Ziply Fiber

 

 

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Built for AI infrastructure traffic

AI workloads – burst training loads, sustained inference, high-volume data movement – don't fit standard lit service models. Dark fiber lets you engineer for those patterns instead of working around someone else's capacity plan.

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You run the optical layer, not us

The architecture decisions are yours. Vendor selection, wavelength planning, upgrade timing — you're not waiting on us to implement changes or approve capacity additions. For buyers who need that level of control, lit services aren't a real substitute.

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Extend your backbone without breaking ground

Fill gaps in your network map using our infrastructure, with dense metro coverage in key western markets and long-haul reach to Minneapolis, Chicago, Ashburn and more. Faster than new construction, with route quality that holds up.

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The economics work at scale

On high-volume corridors with predictable long-term demand, owning the capacity tends to outperform managed services over time. The recurring fees stop. The architecture flexibility doesn't. It's a different conversation than buying a wavelength.

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Built on a network that's actually growing

 

Ziply Fiber’s network spans key markets from the West Coast to Chicago and Ashburn, with dense metro fiber rings across Seattle, Portland, Hillsboro, Boise and Spokane and a unique long-haul route to Chicago and Ashburn. Minneapolis, Salt Lake City, Denver and beyond are already on the map, and we’re adding reach continuously.

 

Behind that footprint is a 400G-ready DWDM backbone with at least three diverse wave routes into major backbone locations, managed at 40% utilization so there’s always headroom when you need it.

 

EXPLORE OUR NETWORK

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 Explore more services

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Wavelength services

High-capacity 100G and 400G transport on the same backbone, managed by us. For buyers who want the performance without the operational overhead.

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Managed spectrum

Dedicated optical capacity with Ziply Fiber managing the optical layer. A practical middle ground between wavelength services and dark fiber for the right route and buyer.

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Connected data centers

On-net access to 60+ data centers across our footprint. For buyers who need to interconnect facilities rather than build new routes.

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Ready to talk routes, capacity or coverage?

Tell us what routes, markets and capacity requirements you're working with. Our wholesale team will share what the network looks like for your specific situation.