IT infrastructure, simplified.

Data center, cloud and interconnection solutions that fuel business growth.

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Trusted By 1,000+ Customers
MLB Network
Telia Carrier
Paul Hastings

The Right Environment for Your IT Infrastructure

  • 24 x 7

    In-House Security

    We directly employ and train our security staff, adding a layer of skill and accountability

  • 100 %

    Uptime SLA

    Our outstanding record of uptime is backed by a guarantee that your data is up and running at all times

  • 375 +


    Improve performance by connecting to networks of your choice directly or through peering exchanges

  • 300 +

    Cloud & IT Providers

    Hybrid IT made easy. Directly connect to AWS, Microsoft, Google, and SoftLayer within our facilities

"CoreSite won out over good competitors because their solution offers better capabilities within the data center. As importantly, the CoreSite team has demonstrated that they clearly understand our goals and needs." Jason O’Sullivan, Vice President of Corporate Technology
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What's New At CoreSite?

CoreSite Expands in Washington DC with New DC2 Data Center

DC2 will connect to our DC1 data center, a premier network-centric colocation facility, providing the ability to fulfill the performance-sensitive demand requirements of our customers.

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SEA-US Subsea Cable System Selects Coresite for North American Access Point

SEA-US's Submarine Line Terminating Equipment (SLTE) will be hosted in CoreSite's Los Angeles data center campus, directly connecting the West Coast of the U.S. with Indonesia and the Philippines.

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Gartner's Four Critical Considerations to Optimize Colocation Costs

Comparing colocation offerings can be challenging. This guide covers colocation as an alternative to building on-premises data center capacity or as part of a cloud solution, and tips on optimizing spend without sacrificing quality.

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Debating in-house vs. colocation? Compare the costs side-by-side.