Twilio incident
SMS Delivery Delays and Failures from Twilio Long Codes to Cellularone NE Arizona United States
Twilio experienced a minor incident on August 8, 2026 affecting SMS Long Code, North America, lasting 7h 56m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 08, 2026, 11:29 AM UTC
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.
- investigating Aug 08, 2026, 12:29 PM UTC
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.
- investigating Aug 08, 2026, 02:35 PM UTC
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.
- identified Aug 08, 2026, 03:23 PM UTC
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.
- identified Aug 08, 2026, 04:25 PM UTC
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.
- monitoring Aug 08, 2026, 06:22 PM UTC
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.
- resolved Aug 08, 2026, 07:26 PM UTC
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.