SMS Delivery Failures from a Subset of Twilio Alphanumeric Senders and Short Codes to Movistar Mexico

Incident Report for Twilio

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Alphanumeric Sender IDs to Movistar 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 Feb 26, 2026 - 12:24 PST

Identified

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs and Short Codes to Movistar 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 Feb 26, 2026 - 10:46 PST

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs and Short Codes to Movistar 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 Feb 26, 2026 - 08:52 PST

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs and Short Codes to Movistar 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 Feb 26, 2026 - 07:56 PST

Investigating

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Senders and Short Codes to Movistar 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 Feb 26, 2026 - 07:52 PST

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