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 Delays and Failures to AT&T Long Codes, Short Codes and Toll Free Numbers in United States of America

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery delays and failures when sending Short Code, Long Code and Toll Free messages to AT&T network in the USA. This incident has been resolved.
        Posted Aug 06, 2025 - 01:37 PDT

        Update

        We continue to observe recovery with the SMS delivery when sending Short Code, Long Code and Toll Free messages to AT&T network in the USA. We will be monitoring all services to ensure a full recovery and provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 06, 2025 - 00:11 PDT

        Monitoring

        We are observing recovery with the SMS delivery when sending Short Code, Long Code and Toll Free messages to AT&T network in USA. We will be monitoring all services to ensure a full recovery and provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 05, 2025 - 23:12 PDT

        Update

        We continue to experience issues with the SMS delivery delays and failures when sending Short Code, Long Code and Toll Free messages to AT&T network in USA. We’re consolidating the following StatusPage posts: https://status.twilio.com/incidents/ct6l02bpm5cp. Our engineering teams are actively working to resolve these issues. We expect to provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 05, 2025 - 22:43 PDT

        Update

        We are still experiencing issues with the SMS delivery delays and failures when sending Short Code, Long Code and Toll Free messages to AT&T network in USA. We’re consolidating the following StatusPage posts: https://status.twilio.com/incidents/ct6l02bpm5cp. Our engineering teams are actively working to resolve these issues. We expect to provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 05, 2025 - 21:41 PDT

        Update

        We are experiencing SMS delivery delays and failures when sending Short Code, Long Code and Toll Free messages to AT&T network in USA. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 05, 2025 - 21:24 PDT

        Investigating

        Our monitoring systems have detected a potential issue with Verity short code traffic. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
        Posted Aug 05, 2025 - 20:42 PDT
        This incident affected: CARRIER NETWORK (SMS Long Code, North America, SMS Short Code, North America, SMS Toll-Free, North America).