Downdetector: users of AT&T, Verizon, T-Mobile, and other networks report ongoing cellular outages across the US, starting at around 4:30AM ET (Reuters)

Reuters:

Downdetector: users of AT&T, Verizon, T-Mobile, and other networks report ongoing cellular outages across the US, starting at around 4:30AM ET  —  Large swathes of the U.S. were hit by a cellular outage early on Thursday, with thousands of users reporting disruptions with the services offered by telecom firms including AT&T (T.N).