SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from a Subset of Twilio Long Codes to AT&T United States is operating normally.

Posted Oct 04, 2026 - 21:48 PDT

Identified

Twilio customers may be experiencing SMS delivery delays 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 Oct 04, 2026 - 21:28 PDT

This incident affected: CARRIER NETWORK (SMS Long Code, North America).