The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.
Posted Sep 15, 2026 - 02:09 PDT
Update
Twilio customers may be experiencing SMS delivery receipt 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. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
Posted Sep 14, 2026 - 21:27 PDT
Update
Twilio customers may be experiencing SMS delivery receipt 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. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
Posted Sep 14, 2026 - 17:27 PDT
Update
Twilio customers may be experiencing SMS delivery receipt 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. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Sep 14, 2026 - 15:26 PDT
Identified
Twilio customers may be experiencing SMS delivery receipt 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. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Sep 14, 2026 - 14:25 PDT
This incident affected: CARRIER NETWORK (SMS Short Code, North America).