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Hybrid IT, simplified.

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Trusted By 1,200+ Customers

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 SLA is backed by performance. We achieved six 9s uptime across our portfolio last year.

  • 375 +

    Networks

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

  • 300 +

    Cloud & IT Providers

    Directly connect to nearly any cloud or IT provider you need, including top providers like AWS, Microsoft and Google, to optimize your hybrid IT solution

5 reasons to directly connect your hybrid cloud solutions.

What's New At CoreSite?

CoreSite Receives Final Approval to Expand Planned Development at Its Reston, Virginia Data Center Campus

CoreSite can now build an incremental 50 megawatts of capacity in Reston to support demand

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IT Powers Creativity

Take a look behind the scenes at the role of IT in the digital production workflow.

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CoreSite Enhances Open Cloud Exchange with Ciena’s Blue Planet

Redesigned Open Cloud Exchange platform adds greater network customization options based on Ciena’s Blue Planet orchestration software.

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