curious thing - last night I lost xfinity internet and verizon cell phone internet at the same time - there were no poles down - because I still had xfinity tv.
Lasted for hours.
Xfinity wireless runs on the Verizon backbone.
https://www.tomsguide.com/us/xfinity-mobile-faq,news-25223.html
if verizon goes down I’m guessing so Xfinity