AT&T New York
811 10th Avenue, New York, NY, 10019, US
Power capacity
2,000 kW
811 Tenth Avenue has been AT&T plant since 1964, when Kahn & Jacobs designed it as a Long Lines switching building, and it was converted into the AT&T Internet Data Center in 2000. AT&T sold its colocation operations to Brookfield in January 2019 for $1.1 billion; that business became Evoque, then Centersquare in April 2024 and Csquare in November 2025, and the third-party site it ran inside this building, NYC2, has been decommissioned. The building remains AT&T's own telecom plant, backed by four 2,000 kW generators and three 20,000-gallon fuel tanks.
Facility Specifications
Site information
- Power capacity
- Four 2,000 kW generators, three 20,000-gallon fuel tanks
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Location
Frequently asked questions
What is 811 Tenth Avenue today?
AT&T's own telecom plant on Manhattan's West Side. The third-party floor that once operated inside it is closed.
What happened to the colocation operation at 811 Tenth Avenue?
AT&T sold its colocation business to Brookfield in January 2019 for $1.1 billion. It traded as Evoque, then Centersquare from April 2024 and Csquare from November 2025, and the New York site, NYC2, was decommissioned; the successor company's New York metro locations are in Weehawken, Secaucus and Piscataway.
When was 811 Tenth Avenue built?
1964, to a Kahn & Jacobs design, as an AT&T Long Lines building. It was converted to the AT&T Internet Data Center in 2000.
How does 811 Tenth Avenue differ from 32 Avenue of the Americas?
32 Avenue of the Americas is a Rudin-owned Long Lines building that operates as a carrier hotel. 811 Tenth Avenue is AT&T's own building and is not a multi-tenant address.