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INCIDENT RESOLVED
Twilio
✓SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone NE Arizona United States
Updated
Resolved
19:24Started
2Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio has confirmed SMS delivery delays from a subset of its short codes to Cellularone NE Arizona network subscribers in the United States. Twilio reports that recovery has been observed and that it is monitoring service stability.
What users experienced
- User impact
SMS messages sent from a subset of Twilio short codes to Cellularone NE Arizona network subscribers may be delayed.
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Started
19:2424 Sep 2026Timeline of the incident
-
Detection
Confirmed by an official service source.
-
Resolution
The service is no longer reporting this incident as active.
What we know
- ✓The incident began on September 24, 2026, according to Twilio's status updates.
- ✓Twilio initially reported the issue as under investigation and later stated that its cause had been identified.
- ✓Twilio's latest update reports observed recovery and monitoring of service stability.
- ✓Twilio's recorded impact level is minor.