Zayo expands fiber network infrastructure, including new long-haul dark fiber routes, increased fiber capacity, additional 400 Gbps

Zayo, a leading global communications infrastructure provider, announced a series of expansions to its independent fiber network infrastructure, including new long-haul dark fiber routes, increased fiber capacity for existing routes, additional 400G-enabled routes and new IP PoPs.  A digital-first world requires continued investment in infrastructure, of which Zayo is leading the charge. These updates, which build upon Zayo’s significant plans to grow and modernize its network, will ensure customers have the speed, resilience and flexibility needed to stay ahead of digital demand.

“The network our future requires does not exist today. A digital-first world requires continued and intentional investment in infrastructure, of which Zayo is leading the charge. Our continued expansion and modernization of our long-haul dark fiber, wavelength, and Tier-1 IP infrastructure is critical in ensuring our customers have the speed, resilience and flexibility they need in their network to stay ahead of this increasing digital demand,” said Bill Long, Chief Product Officer at Zayo.

In April, Zayo unveiled significant plans to grow and modernize its network, including the addition of nearly 3,000 route miles and more than 700,000 fiber miles to its global network. The company has begun building these new long-haul dark fiber routes to provide its customers with diverse routing options and a customizable, robust and scalable network. The new routes are built entirely underground to provide the highest level of security and redundancy for customers.

Zayo’s newest long-haul dark fiber routes include:

  • St. Louis to Indianapolis: Expands connectivity in these growing markets, bypassing the heavily trafficked Chicago metro area with four In-Line Amplification (ILA) sites in key markets along the route.

  • Chicago to Omaha Overbuild: Provides the most direct route between Denver and Chicago, including a new high fiber count cable that connects 11 ILA sites in strategic markets, facilitating seamless network connections for customers. As a heavily used route, this overbuild will allow for more capacity.

Network Modernization with 400G:

400G routes provide better routing performance, stability, high bandwidth and reduced pricing for Zayo’s customers. The enhanced capacity from these routes supports customers with exponential growth needs driven by emerging technologies like 5G, generative AI, cloud adoption, IoT and edge computing.

With four new 400G-enabled routes made operational in the second quarter of 2023 and two more slated for completion in Q3, Zayo is expanding high-bandwidth options between key cities, including:

  • Las Vegas to Phoenix

  • Kansas City to Indianapolis

  • Dallas to East St Louis

  • Albany to Boston

  • Denver to Dallas (a direct route scheduled for completion in Q3 2023)

  • Atlanta to DC (scheduled for completion in Q3 2023)

IP Infrastructure Improvements:

To enhance overall customer experience, Zayo has bolstered its infrastructure with new IP PoPs that ensure a more seamless and uninterrupted communication experience for its customers. Zayo has added 14 neutral data centers in Q1 2023 and nine in Q2 2023 across North America, including:

Q1 2023:

  • 1050 W Pender St, Vancouver, BC, Canada

  • 8636 S Peoria St, Englewood, CO, USA

  • 1400 Federal Blvd, Carteret, NJ, USA

  • 525 D St NW, Quincy, WA, USA

  • 23403 E Mission Ave, Liberty Lake, WA, USA

  • 179 Social Hall Ave, Salt Lake City, UT, USA

  • 3011 Lafayette St, Santa Clara, CA, USA

  • 1 Enterprise Ave N, Secaucus, NJ, USA

  • 400 Minuteman Rd, Andover, MA, USA

  • 1275 K St NW, Washington, DC, USA

  • 2220 De La Cruz Blvd, Santa Clara, CA, USA

  • 5660 W Badura Ave (NAP15), Las Vegas, NV, USA

Q2 2023:

  • 1250 Boul Rene-Levesque O, Montreal, QC, Canada

  • 3015 Winona Ave, Burbank, CA, USA

  • 3011 S 52nd St, Tempe, AZ, USA

  • 5225 W Capovilla Ave, Las Vegas, NV, USA

  • 8375 Dominion Pkwy, Plano, TX

  • 6653 Pinecrest Dr, Plano, TX

  • 3470 Gabel Rd, Billings, MT, USA

  • 6428 Westwood Blvd, Orlando, FL, USA

Zayo is one of the only communications infrastructure providers actively pursuing new building and modernization of its infrastructure. In June, Zayo was awarded a $92.9M grant from the National Telecommunications and Information (NTIA) Middle Mile Program—the only national provider to receive funding—to expand network infrastructure to unserved and underserved communities across eight states. As part of its aggressive growth strategy, Zayo has also continued to expand its global footprint, including new connections for its high-capacity network across EuropeMexico, and South America.

Zayo says it will continue to invest in future-proofing its network and services to connect what’s next for its customers.

About Zayo Group Holdings, Inc:

For more than 15 years, Zayo has empowered some of the world’s largest and most innovative companies to connect what’s next for their business. Zayo’s future-ready network spans over 16.8 million fiber miles and 141,000 route miles. Zayo’s tailored connectivity and edge solutions enable carriers, cloud providers, data centers, schools, and enterprises to deliver exceptional experiences, from core to cloud to edge. Discover how Zayo connects what’s next at and follow us on LinkedIn and Twitter.


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