SMS Delivery Failures from Multiple Networks in United Kingdom to a Subset of Twilio Long Codes

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from network subscribers to Twilio United Kingdom Long Codes is operating normally.

Posted Jun 12, 2026 - 06:31 PDT

Monitoring

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.

Posted Jun 12, 2026 - 04:22 PDT

Update

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.

Posted Jun 11, 2026 - 20:40 PDT

Update

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.

Posted Jun 11, 2026 - 16:33 PDT

Update

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.

Posted Jun 11, 2026 - 14:31 PDT

Identified

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.

Posted Jun 11, 2026 - 13:31 PDT

Investigating

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.

Posted Jun 11, 2026 - 13:30 PDT

This incident affected: CARRIER NETWORK (SMS, Europe).