Outage in Zipwhip

SMS Delivery Failures To Telefonica Network In Mexico Via A Subset Of Longcodes

Resolved Minor

March 07, 2026 - Started about 1 month ago - Lasted 3 days
Official incident page

Incident Report

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.

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Latest Updates ( sorted recent to last )

RESOLVED about 1 month ago - at 03/10/2026 11:12AM

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

IDENTIFIED about 1 month ago - at 03/09/2026 10:16PM

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 24 hours or as soon as more information becomes available.

IDENTIFIED about 1 month ago - at 03/08/2026 10:16PM

IDENTIFIED about 1 month ago - at 03/08/2026 07:26AM

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 16 hours or as soon as more information becomes available.

IDENTIFIED about 1 month ago - at 03/07/2026 11:31PM

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.

IDENTIFIED about 1 month ago - at 03/07/2026 07:43PM

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.

IDENTIFIED about 1 month ago - at 03/07/2026 05:46PM

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.

IDENTIFIED about 1 month ago - at 03/07/2026 04:48PM

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.

INVESTIGATING about 1 month ago - at 03/07/2026 03:50PM

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