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

Minor Impact Resolved Duration: 3h 37m August 20, 2026

Incident Lifecycle

Investigating Investigating Monitoring
Affected Components
SMS Short Code, North America

Incident Timeline

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.
Aug 20, 2026 at 2:05 PM UTC
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 2 hours or as soon as more information becomes available.
Aug 20, 2026 at 1:35 PM UTC
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.
Aug 20, 2026 at 12:32 PM UTC
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