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 Apr 21, 2026 - 06:06 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 Apr 21, 2026 - 04:13 PDT
Identified
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 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 Apr 21, 2026 - 03:22 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 Apr 21, 2026 - 03:04 PDT
This incident affected: CARRIER NETWORK (SMS Short Code, North America).