Twilio incident
SMS Delivery Delays From a Subset of Twilio Short Codes to T-Mobile United States
Twilio experienced a minor incident on August 20, 2026 affecting SMS Short Code, North America, lasting 3h 35m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 20, 2026, 12:32 PM UTC
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.
- investigating Aug 20, 2026, 01:35 PM UTC
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.
- monitoring Aug 20, 2026, 02:05 PM UTC
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.
- resolved Aug 20, 2026, 04:07 PM UTC
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.