SMS Delivery Delays From a Subset of Twilio Short Codes to T-Mobile United States

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.

Posted Aug 20, 2026 - 09:07 PDT

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to T-Mobile 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 Aug 20, 2026 - 07:05 PDT

Update

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Aug 20, 2026 - 06:35 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile 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 Aug 20, 2026 - 05:32 PDT

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