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INCIDENT RESOLVED
Twilio
✓SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States
Updated
Resolved
21:28Started
2Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio confirmed SMS delivery delays affecting a subset of Twilio Long Codes sending to AT&T network subscribers in the United States. The issue was identified, and Twilio said it was working to resolve it.
What users experienced
- User impact
Some Twilio customers may experience delayed SMS delivery when using a subset of Twilio Long Codes to reach AT&T network subscribers in the United States.
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Started
21:284 Oct 2026Timeline of the incident
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Detection
Confirmed by an official service source.
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Resolution
The service is no longer reporting this incident as active.
What we know
- ✓Twilio reported degraded performance for SMS Long Code service in North America.
- ✓The reported impact is SMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States.
- ✓Twilio classified the incident as minor and identified the issue as being under active resolution.