American Tower Corporation

CoreSite’s MI1 data center in Miami provides connectivity from the U.S. to South America, as well as existing and scalable connectivity to NAP of the Americas. Built to withstand a Category 5 hurricane.

1275 K Street is Washington DC's Network Hotel

55 S Market is a legacy Carrier Hotel in San Jose

Acquired from Comfluent, data center has the acted as the defacto building Meet-Me Room until 910Telecom set up its own MMR.

Once owned by the Western Union company, the building was formerly known as "The Telegraph Building."

CoreSite's LA2 facility at 900 N Alameda is an elegant building that was built in 1940 as a Postal Annex. It was the central mail processing facility for Los Angeles until 1989. The site is now owned by CoreSite and is being incrementally converted to data center space.

CoreSite completed construction on SV8 phases I and 2 in the second half of 2019

CoreSite's Any2 IXP (Peering Exchange) is the largest public IXP in the Western United States. The Unity Trans-Pacific submarine cable, also lands in the building, which provides undersea connectivity to Asia.

CoreSite opened its ninth Santa Clara data center, known as SV9, in 2025.

CoreSite is developing another 12,000 sq ft (1,115 sqm) data hall on the VA3 site, scheduled for completion in 2025.

Freestanding Building on Approximately 7 Acres that is outside the 500 year flood plain

Located adjacent to the new National Western Stock Show development in Denver, this campus expansion is anticipated to have an on-site substation

CoreSite’s strategic New York campus expansion, right next door to NY2, includes a new facility, NY3. This purpose-built data center offer more than 138,000 sq ft (12,820 sqm) of space .

In February 2018, CoreSite acquired a two-acre land parcel in downtown Chicago, Illinois, on which CoreSite built CH2, a greenfield development of a 175,000-square-foot, turn-key, four-story data center supporting 18 critical megawatts of power capacity. The building was completed in June 2020.

CoreSite acquired a vacant industrial building in 2022 and plans to convert it into a data center.

This planned facility is part of CoreSite's Denver DE3 Campus in Denver.

This planned facility is part of CoreSite's Denver DE3 Campus in Denver.

CoreSite’s Reston data center (VA1) is part of the Reston campus that is comprised of more than 1.3 million square feet of colocation space upon full build-out.

CoreSite’s Boston data center (BO1) borders Cambridge and Boston’s central business district, serving the many healthcare, financial, technological and educational enterprises located in the area.

CoreSite's Santa Clara Campus contains 5 datacenter buildings. (SV3, SV4, SV5, SV6, SV7 and SV8)

This is the legacy Comfluent Denver 2 site that is adjacent to the Level 3's Denver gateway site

American Tower affiliate ATC Watertown LLC plans to develop a 20,000-square-foot edge data center at 7701 Walnut Drive in North Indianapolis.

American Tower operates a data center on Fairburn Road Southwest in Atlanta, Georgia.

American Tower entered the building in 2019 after acquiring Colo Atl, a small Atlanta-based colocation provider. The company now occupies four floors of 55 Marietta Street, totaling 62,000 sq ft of space.

American Tower Edge Data Center, also known as RA1, is located in Raleigh, North Carolina. The facility is Approximately 5,000 square feet, with the capacity to expand up to 16,000 square feet.

In 2020, Communications infrastructure company American Tower launched its Edge data center in Austin, Texas.