SMS Delivery Failures from a Subset of Twilio Short Codes to Altan Redes Mexico

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico is operating normally.

Posted Jul 21, 2026 - 14:06 PDT

Update

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

Posted Jul 20, 2026 - 22:02 PDT

Update

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Jul 20, 2026 - 13:58 PDT

Update

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Jul 20, 2026 - 09:57 PDT

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Altan Redes 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 Jul 20, 2026 - 07:54 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Jul 20, 2026 - 04:37 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Jul 20, 2026 - 00:37 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Jul 19, 2026 - 22:36 PDT

Investigating

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Altan Redes 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 Jul 19, 2026 - 21:35 PDT

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