Twilio Services
Issues related to Twilio’s Software
    External Connectivity
    Issues found outside of Twilio’s Network
      Zipwhip Gateway
      Issues related to Zipwhip's Services
        Scheduled maintenance
        System Metrics

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

        Incident Report for Twilio

        Resolved

        The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to Telefonica network subscribers in Mexico is operating normally.
        Posted Mar 10, 2026 - 04:12 PDT

        Update

        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.
        Posted Mar 09, 2026 - 15:16 PDT

        Update

        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.
        Posted Mar 08, 2026 - 15:16 PDT

        Update

        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.
        Posted Mar 07, 2026 - 23:26 PST

        Update

        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.
        Posted Mar 07, 2026 - 15:31 PST

        Update

        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.
        Posted Mar 07, 2026 - 11:43 PST

        Update

        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.
        Posted Mar 07, 2026 - 09:46 PST

        Identified

        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.
        Posted Mar 07, 2026 - 08:48 PST

        Investigating

        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.
        Posted Mar 07, 2026 - 07:50 PST
        This incident affected: CARRIER NETWORK (SMS, Latin America).