AT&T outage: Service down for some customers across the US

A nationwide outage is affecting AT&T customers, preventing them from completing calls with other carriers. Calls between AT&T customers are still working, although some subscribers reported complete disruption of service on social media. Internet access remains unaffected. AT&T and other carriers are working to resolve the issue. Down Detector shows a spike in reports of service issues, with cities like New York, Chicago, and Philadelphia experiencing the most problems. The outage also impacted Verizon customers. AT&T clarified that 911 calls are going through, despite some accidental alerts suggesting otherwise. This outage follows a similar incident four months ago. AT&T is investigating the cause of the alerts.