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Press Release -- July 28th, 2011
Source: CoreSite, Zayo Group
Tags: Colocation, Construction, Exchange, Expansion

Zayo to Build Los Angeles Fiber Network

LOUISVILLE, Colo. – July 28, 2011 – Zayo, a provider of bandwidth infrastructure services and carrier-neutral colocation, today announced it has begun construction of a fiber network in the Los Angeles Central Business District in support of data center connectivity for CoreSite Realty Corporation(NYSE:COR, news, filings). The Zayo fiber ring will consist of a high count fiber cable that will support the full suite of Zayo bandwidth and dark fiber services at CoreSite’s Southern California data centers.  The network is expected to be completed by the end of 2011.  Zayo’s Los Angeles fiber network will complement the company’s existing Western markets, including Phoenix, Salt Lake City, Las Vegas, Boise, Spokane and Denver.

“Zayo’s support of CoreSite’s Los Angeles data centers gives us a network expansion into a major tier one market,” states Matt Erickson, President of Zayo Fiber Solutions. “We view Los Angeles as a key Zayo growth market, and will be expanding this foundational network in support of other customer opportunities.”

CoreSite’s Southern California data center ecosystem includes 600,000 square feet of data center space across two data centers, including One Wilshire, the region’s most network-dense colocation site.  Additionally, CoreSite’s Los Angeles data center development plan includes 145,000 square feet, of which 25,000 square feet will be delivered in the third quarter of 2011.

“Zayo’s Los Angeles network will augment CoreSite’s Southern California data center ecosystem, offering new connectivity opportunities to our 300+ customers in the region,” commented David Dunn, CoreSite Senior Vice President of Strategy and Marketing. “We are excited to add another major connectivity provider, like Zayo, to further cement CoreSite as Southern California’s number one data center and interconnection offering in terms of both customer count and available carriers and service providers.”

About Zayo Group

Based in Louisville, Colo., privately owned Zayo Group( is a national provider of fiber-based bandwidth infrastructure and network-neutral colocation and interconnection services.  Zayo supports enterprise and regional businesses, as well as federal, state and local government agencies that require lit and dark fiber services, as well as carrier neutral colocation.  Zayo provides these services over regional, metro and fiber-to-the-tower networks.  Zayo was recently named one of the Denver-areas Fastest Growing Private Companies by the Denver Business Journal, was ranked #23 on the ColoradoBiz Top 250 Private Companies in Colorado and its President and CEO, Dan Caruso, was recently named one of the “Eleven Colorado business people to watch in 2011” by the Denver Post.

About CoreSite

CoreSite RealtyCorporation (NYSE: COR) delivers powerful, network-rich data centers that optimize, secure and interconnect the mission-critical IT assets of the world’s top organizations. 600+ customers, including Global 1000 enterprises, cloud providers, financial firms, and Government agencies, choose CoreSite for reliability, service and expertise in delivering customized, flexible data center solutions. CoreSite offers private data centers and suites, cage-to-cabinet colocation, and interconnection services, such as Any2, CoreSite’s Internet exchange. The company’s portfolio comprises more than two million square feet, including space held for redevelopment and development, and provides access to over 200+ network service providers via 12 data centers in seven key U.S. economic centers. For more information please visit


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