CoreSite
CoreSite provides digital infrastructure for businesses, offering scalable space, reliable power, and high-performance interconnection across key U.S. markets. They facilitate direct access to cloud and network ecosystems, providing a secure foundation for enterprises to grow and innovate. They operate and own network-dense, cloud-enabled data centres. CoreSite supplies colocation services including cabinets, private cages, and suites, alongside interconnection solutions like their Open Cloud Exchange, cross connects, and blended IP. They also offer cloud networking options for major providers such as AWS, Azure, and Google Cloud.
At a glance
Facilities tracked
34
Markets
11
Countries
1
Live capacity
400+ MW
Pipeline
5+ MW
Total potential
450+ MW
3% of live capacity is estimated rather than sourced.
Live capacity is power in service today. Pipeline is under construction plus announced. Total potential counts every megawatt once, including expansion headroom at existing sites.
CoreSite data centre locations
35 mapped sites across 1 country, coloured by status.
About CoreSite
As a non carrier neutral operator, CoreSite operates in a competitive environment dominated by carriers and independent operators competing for similar enterprise and wholesale customer segments. The company's silicon valley dominance positions it well within the internet and technology services sectors, though it lacks the geographic reach and scale of larger rivals. CoreSite's private equity backing suggests active portfolio management and potential for operational optimization or strategic repositioning. The operator's mid-market scale and focused geographic approach distinguish it from hyperscale competitors while serving the specific connectivity needs of companies operating across multiple premium markets rather than pursuing truly global footprint strategies.
3 paragraphs are not shown here because they assert facility or capacity figures we could not reconcile with the measured figures above.
Company Overview
CoreSite facilities
Every CoreSite site with a page on DC Atlas, by market.
Los AngelesUnited States
- Los Angeles CoreSite 003Los Angeles · Operational
- Los Angeles CoreSite 010Los Angeles · Operational
- Los Angeles CoreSite 015Los Angeles · Operational
- Los Angeles CoreSite 027Los Angeles · Operational
- Los Angeles CoreSite 032Los Angeles · Operational
- Los Angeles CoreSite 037Los Angeles · Operational
- Los Angeles MOD Mission Critical 015Los Angeles · Operational
Silicon ValleyUnited States
- Milpitas CoreSite 018Milpitas · Operational
- San Jose CoreSite 011San Jose · Operational
- Santa Clara CoreSite 017Santa Clara · Operational
- Santa Clara CoreSite 022Santa Clara · Operational
- Santa Clara CoreSite 023Santa Clara · Operational
- Santa Clara CoreSite 031Santa Clara · Operational
DenverUnited States
- Denver CenterServ 034Denver · Under construction
- Denver CoreSite 021Denver · Operational
- Denver CoreSite 029Denver · Operational
- Denver CoreSite 035Denver · Operational
- Denver DGEB Management 001Denver · Operational
ChicagoUnited States
- Chicago CoreSite 019Chicago · Operational
- Chicago CoreSite 028Chicago · Operational
- Chicago FDCservers.net 005Chicago · Operational
MiamiUnited States
- Doral CoreSite 036Doral · Operational
- Miami Atlantic Metro Communications 003Miami · Operational
- Miami CoreSite 024Miami · Operational
Northern VirginiaUnited States
- Reston CoreSite 005Reston · Operational
- Reston CoreSite 034Reston · Operational
- Reston CoreSite 039Reston · Operational
BostonUnited States
- Somerville CoreSite 004Somerville · Operational
- Somerville CoreSite 016Somerville · Operational
New YorkUnited States
- Secaucus CoreSite 020Secaucus · Operational
- Secaucus CoreSite 026Secaucus · Operational
AtlantaUnited States
- Atlanta CoreSite 038Atlanta · Operational
New JerseyUnited States
- Secaucus CoreSite 006Secaucus · Operational
OrlandoUnited States
- Orlando CoreSite 014Orlando · Operational
Washington D.C.United States
- Washington CoreSite 030Washington · Operational
Browse every operator in United States
Recent Activity
Digital Realty, Colovore, Hut 8, CoreSite, DataBank file permits for five Texas data centers
Lone Star State continues to appeal to operators
Harbor Link Expands Underground Fiber Network into CoreSite Washington, D.C. Campus
Harbor Link is extending its underground fiber network infrastructure into CoreSite's Washington, D.C. data center campus. The deployment enhances carrier diversity and adds redundant network paths across multiple facilities in the region. This expansion strengthens connectivity options for enterprises, carriers, cloud providers, and network operators in the Washington, D.C. market. The project improves overall network resiliency and reliability for data center customers.
American Tower completes $10.4B CoreSite data center acquisition
American Tower Corporation completed its acquisition of CoreSite on December 28, 2021, adding over 20 data center facilities across eight U.S. markets to its portfolio. The all-in transaction value was $10.4 billion, including assumption and repayment of CoreSite's debt. This acquisition significantly expanded American Tower's interconnected U.S. data center footprint serving enterprises, cloud providers, and network operators. The company also announced a parallel $2.5 billion minority equity investment in its U.S. data center business by a third party.