This is what happens when you f--- around and lay off 30% of your network staff. There are 1000s of affected locations right now, basically f---ing AT&T is completely down...
See this:
https://twitter.com/DownStatus/status/930647969006698497
Or see this:
http://fox2now.com/2017/11/15/customers-report-thousands-of-att-outages-across-the-united-states/