The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.
Posted Sep 09, 2026 - 15:50 PDT
Update
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
Posted Sep 09, 2026 - 15:20 PDT
Monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes 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 - 13:19 PDT
Identified
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Sep 09, 2026 - 12:22 PDT
Investigating
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes and Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Sep 09, 2026 - 11:58 PDT
This incident affected: CARRIER NETWORK (SMS Long Code, North America).