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        SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in United States

        Incident Report for Twilio

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Jun 01, 2026 - 16:07 PDT

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Jun 01, 2026 - 12:06 PDT

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jun 01, 2026 - 10:05 PDT

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Jun 01, 2026 - 09:04 PDT

        Update

        Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jun 01, 2026 - 08:22 PDT

        Identified

        Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to network subscribers on multiple networks 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 Jun 01, 2026 - 07:22 PDT

        Investigating

        Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to network subscribers on multiple networks 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 Jun 01, 2026 - 07:18 PDT
        This incident affects: CARRIER NETWORK (SMS Short Code, North America).