Twilio incident
SMS Delivery Delays From a Subset of Twilio Short Codes to T-Mobile United States
Resolved after 3 hours 35 minutes, affecting SMS Short Code, North America, on August 20, 2026.
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.
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.
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