SMS Delivery Delays and Failures between Twilio Short Codes and Telcel in Mexico

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery between Twilio Short Codes and Telcel network subscribers in Mexico is operating normally.

Posted Apr 30, 2026 - 17:19 PDT

Monitoring

We have observed a recovery in SMS delivery between a subset of Twilio Short Codes and Telcel network subscribers in Mexico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Apr 30, 2026 - 15:28 PDT

Update

Twilio customers may be experiencing SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel network subscribers in Mexico. 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 Apr 30, 2026 - 13:13 PDT

Update

Twilio customers may be experiencing SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel network subscribers in Mexico. 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 Apr 30, 2026 - 11:12 PDT

Identified

Twilio customers may be experiencing SMS delivery delays and failures between Twilio Short Codes and Telcel 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 Apr 30, 2026 - 10:12 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays and failures between a subset of Twilio Short Codes and Telcel 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 Apr 30, 2026 - 09:59 PDT

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