We have observed a recovery in SMS delivery from a subset of phone numbers to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Sep 09, 2026 - 12:47 PDT
Update
We are continuing to work on a fix for this issue.
Posted Sep 09, 2026 - 12:36 PDT
Identified
Customers may be experiencing SMS delivery failures from a subset of phone numbers to AT&T network subscribers in the United States. Our Carrier Team has identified the cause and is working to resolve the issue. We will provide another update as soon as more information becomes available.
Posted Sep 09, 2026 - 12:36 PDT
This incident affected: Messaging, Twilio SMS, and Twilio MMS.