SMS Delivery Failures from a Subset of Twilio Phone Numbers to Telefonica Mexico

Incident Report for Twilio

Update

Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Mar 07, 2026 - 15:31 PST

Update

Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Mar 07, 2026 - 11:43 PST

Update

Twilio customers may continue to experience SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Mar 07, 2026 - 09:46 PST

Identified

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. 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 Mar 07, 2026 - 08:48 PST

Investigating

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Phone Numbers to Telefonica network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Mar 07, 2026 - 07:50 PST

This incident affects: CARRIER NETWORK (SMS, Latin America).