Twilio incident
SMS Delivery Failures from Multiple Networks in United Kingdom to a Subset of Twilio Long Codes
Twilio experienced a minor incident on June 11, 2026 affecting SMS, Europe, lasting 17h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 11, 2026, 08:30 PM UTC
Twilio customers may be experiencing SMS delivery delays and failures from network subscribers to a subset of Twilio United Kingdom Long Codes. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Jun 11, 2026, 08:31 PM UTC
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. 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 Jun 11, 2026, 09:31 PM UTC
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. 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.
- identified Jun 11, 2026, 11:33 PM UTC
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- identified Jun 12, 2026, 03:40 AM UTC
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
- monitoring Jun 12, 2026, 11:22 AM UTC
We have observed a recovery in SMS delivery from network subscribers to a subset of Twilio United Kingdom Long Codes and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Jun 12, 2026, 01:31 PM UTC
The incident has been resolved and SMS delivery from network subscribers to Twilio United Kingdom Long Codes is operating normally.