SMS Delivery Delays and Failures from Twilio Long Codes to Cellularone NE Arizona United States

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from Twilio Long Codes to Cellularone NE Arizona network subscribers in the United States is operating normally.

Posted Aug 08, 2026 - 12:26 PDT

Monitoring

We have observed a recovery in SMS delivery from Twilio Long Codes to Cellularone NE Arizona 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.

Posted Aug 08, 2026 - 11:22 PDT

Update

Twilio customers may be experiencing SMS delivery delays and failures from Twilio Long Codes to Cellularone NE Arizona network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Aug 08, 2026 - 09:25 PDT

Identified

Twilio customers may be experiencing SMS delivery delays and failures from Twilio Long Codes to Cellularone NE Arizona network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Aug 08, 2026 - 08:23 PDT

Update

Twilio customers may be experiencing SMS delivery delays and failures from Twilio Long Codes to Cellularone NE Arizona network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Aug 08, 2026 - 07:35 PDT

Update

Twilio customers may be experiencing SMS delivery delays and failures from Twilio Long Codes to Cellularone NE Arizona 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.

Posted Aug 08, 2026 - 05:29 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays and failures from Twilio Long Codes to Cellularone NE Arizona 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.

Posted Aug 08, 2026 - 04:29 PDT

This incident affected: CARRIER NETWORK (SMS Long Code, North America).