What’s Behind This Windowless 40-Story Building? A Den of Vampires or a Hub of Spies?

Akash Kumar Mishra
4 Min Read
33 Thomas Street

’33 Thomas Street’ is a skyscraper in New York City, America. This 40-storey high building is quite mysterious. The surprising thing is that there are no windows in its walls. Due to this, questions arise in people’s minds: what happens inside this building, what is its use, and what is its truth? These questions have given rise to many online conspiracy theories.

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According to the report of The Sun, what is hidden behind its doors, from the den of vampires to the ‘Men in Black’ headquarters. There are many crazy theories about this. Even veteran actor Tom Hanks is scared of this building. When he saw it in 2017, he wrote on X (formerly Twitter), ‘This is the scariest building I have ever seen! WTF goes on inside?’

Users on social media have started creating conspiracies about this. One person wrote, ‘Gives MI-6 vibes’. Another user jokingly wrote, ‘Lizard people do not need windows.’ The truth behind this building does not conform to these conspiracy theories. However, it is exciting and reportedly has some dark secrets.

What Was It Used For Earlier?

This building is located at 33 Thomas Street in New York City. It is also known as the Long Lines Building. Between 1969 and 1974, it was built to house the AT&T (American Telephone & Telegraph) telephone switching equipment, becoming one of the most important communications hubs in the USA.


That equipment requires a high level of space and a secure location, so the building’s floors are higher than average. Despite being as tall as 40 storeys, the tower has only 29 floors. It is also rumoured that the building was designed to withstand a nuclear blast and contained enough food to keep 1,500 people alive for 2 weeks in an emergency.

Now, What Is It Used For?

Since its construction, it served as AT&T’s long-distance telephone exchange until 1999, when the company moved elsewhere. Today, the building is occasionally used for its original purpose of telephone switching by some local exchange carriers. Other areas of the building are reportedly used as high-security data centres. It is now known as 33 Thomas Street rather than the AT&T or Long Lines Building.

There Are Deep Secrets Behind This

A 2016 investigation by The Intercept revealed that there is more to the building than meets the eye. Along with some conspiracy theorists, he tried to prove that this was the National Security Agency (NSA) secret base. Their investigation provides ‘evidence’ that the NSA has given this building the codename Titanpointe. This investigation also includes documents leaked by Edward Snowden.

However, the NSA refused to comment on any revelations and kept whatever it was a mystery. Social media is divided on what’s going on behind the concrete walls. However, the vampire theory has proven to be the most popular.

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By Akash Kumar Mishra Co-founder and Journalist
Akash is a seasoned journalist and the co-founder of our organization. As managing editor, he oversees our editorial operations and ensures that our content is accurate, relevant, and engaging. Akash's extensive journalism experience and passion for delivering high-quality news make him an invaluable team member.