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        SMS and MMS Delivery Delays and Delivery Receipt Delays between Twilio and AT&T in the United States

        Incident Report for Twilio

        Resolved

        The incident has been resolved and SMS and MMS delivery between Twilio and AT&T network subscribers in the United States are operating normally.
        Posted Oct 07, 2026 - 05:16 PDT

        Monitoring

        We have observed a recovery in SMS and MMS delivery between Twilio and AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Oct 07, 2026 - 03:08 PDT

        Identified

        Twilio customers may be experiencing SMS and MMS delivery delays and delivery receipt delays between Twilio and AT&T network in the United States. 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 Oct 07, 2026 - 02:10 PDT

        Update

        Twilio customers may be experiencing SMS delivery delays and delivery failures between Twilio and AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Oct 07, 2026 - 00:22 PDT

        Update

        Twilio customers may be experiencing SMS and MMS delivery delays and delivery failures between Twilio and AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Oct 06, 2026 - 23:53 PDT

        Investigating

        Twilio customers may be experiencing SMS delivery delays between Twilio and AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Oct 06, 2026 - 23:19 PDT
        This incident affected: CARRIER NETWORK (SMS Long Code, North America, MMS Long Code, North America, SMS Short Code, North America, MMS Short Code, North America, SMS Toll-Free, North America, MMS Toll-Free, North America) and ZIPWHIP MESSAGING (MMS Long Code, North America, MMS Toll-Free, North America).