MMS Delivery Delays from Twilio Short Codes to AT&T United States

Incident Report for Twilio

Resolved

The incident has been resolved and MMS delivery from Twilio Short Codes to AT&T network subscribers in the United States is operating normally.

Posted May 18, 2026 - 20:36 PDT

Monitoring

We have observed a recovery in MMS delivery from Twilio Short 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 May 18, 2026 - 18:30 PDT

Update

Twilio customers may be experiencing MMS delivery delays from Twilio Short 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 4 hours or as soon as more information becomes available.

Posted May 18, 2026 - 18:23 PDT

Update

Twilio customers may be experiencing MMS delivery delays from Twilio Short 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 2 hours or as soon as more information becomes available.

Posted May 18, 2026 - 16:23 PDT

Identified

Twilio customers may be experiencing MMS delivery delays from Twilio Short 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 May 18, 2026 - 15:22 PDT

Investigating

Twilio customers may be experiencing MMS delivery delays from 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 May 18, 2026 - 15:09 PDT

This incident affected: CARRIER NETWORK (MMS Short Code, North America).