More U.S. cell phone users are reporting service outages Thursday at major networks, including AT&T, Verizon and T-Mobile, and the outage is impacting some 911 networks.  

Most of the problems are being reported at AT&T, per Downdetector, a website that tracks network outages. Around 7 a.m. ET, about 48,000 AT&T consumers reported that their network was out. Three hours later, that number increased to more than 71,000 outage reports.