AT&T has data centers in "abandoned" buildings across the country that store the majority of their regional telecommunications. They do this to hide in plain sight for easy access and maintenance, but it's not the safest choice...

I was living in Nashville when some anti-vaxxer blew up a similar building in downtown on Christmas morning because of the 5G conspiracy. We lost telecommunications and internet for nearly two weeks.

Here's the article if you want to know more..