We are aware of an issue impacting AT&T wireless customers from making and receiving any phone calls (including to 911).

We are actively engaged and monitoring this.

The San Francisco 911 center is still operational.

If you are an AT&T customer and cannot get through to 911,… pic.twitter.com/TUIEBkqmkI

— SAN FRANCISCO FIRE DEPARTMENT MEDIA (@SFFDPIO) February 22, 2024