We have fully investigated the SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.
Posted Mar 17, 2026 - 09:06 PDT
Update
We continue experiencing SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Mar 17, 2026 - 08:25 PDT
Investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short 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 Mar 17, 2026 - 07:25 PDT
This incident affected: CARRIER NETWORK (SMS Short Code, North America).
