SMS Delivery Failure to Twilio Phone Numbers in Mexico via Subset of Shortcodes

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery failures to Twilio phone numbers in Mexico via a subset of short codes.. This incident has been resolved.

Posted Dec 21, 2025 - 12:09 PST

Update

We continue observing successful SMS delivery to Twilio phone numbers in Mexico via a subset of short codes. We will continue to monitor to ensure full service recovery. We expect to provide another update in 4 hours or as soon as more information becomes available.

Posted Dec 21, 2025 - 07:56 PST

Monitoring

We are observing successful SMS delivery to Twilio phone numbers in Mexico via a subset of short codes. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Dec 21, 2025 - 05:56 PST

Update

We are experiencing SMS delivery failures to Twilio phone numbers in Mexico via a subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 16 hours or as soon as more information becomes available.

Posted Dec 21, 2025 - 01:35 PST

Update

We are experiencing SMS delivery failures to Twilio phone numbers in Mexico via a subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

Posted Dec 20, 2025 - 18:13 PST

Update

We continue to experience SMS delivery delays when sending messages to Twilio phone numbers in Mexico via a subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Dec 20, 2025 - 17:10 PST

Update

We continue to experience SMS delivery delays when sending messages to Twilio phone numbers in Mexico via a subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Dec 20, 2025 - 13:23 PST

Update

We keep experiencing SMS delivery delays when sending messages to Twilio phone numbers in Mexico via subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Dec 20, 2025 - 11:31 PST

Update

We are experiencing SMS delivery delays when sending messages to Twilio phone numbers in Mexico via subset of shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Dec 20, 2025 - 10:35 PST

Investigating

Our monitoring systems have detected a potential issue SMS delivery delays to Twilio phone numbers in Mexico. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Dec 20, 2025 - 10:25 PST

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