Mobile networks including AT&T, Verizon and T-Mobile are down for many customers across the United States, leaving people unable to place calls, text or access the internet.
More than 73,000 incidents were reported around 8:15 a.m. ET, according to data from outage-tracking website Downdetector.com.
The AT&T outage has impacted people’s ability to reach emergency services by dialing 911, a post on social media platform X from the San Francisco Fire Department said.
“We are aware of an issue impacting AT&T wireless customers from making and receiving any phone calls (including to 911),” the fire department said on the platform.
Downdetector showed users of Verizon, T-Mobile and UScellular also faced disruptions.
T-Mobile said it did not experience an outage and that its network was operating normally.