Check out this tweet from Bill Binney about AT&T buildings. https://twitter.com/Bill_Binney/status/1313288608124678145?s=20
RR close by because the earliest fiber buildouts went through abandoned oil pipelines running through their right of ways...
https://theintercept.com/2018/06/25/att-internet-nsa-spy-hubs/
The Wiretap Rooms