SMS Delivery Delays From a Subset of Twilio Short Codes to AT&T United States

Resolved

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.

Investigating

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.

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.