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        SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to H3G United Kingdom

        Incident Report for Twilio

        Update

        We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Sep 02, 2026 - 22:23 PDT

        Update

        We have observed a recovery in SMS delivery receipts from Twilio to Three network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Sep 02, 2026 - 18:50 PDT

        Update

        We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Sep 02, 2026 - 18:10 PDT

        Monitoring

        We have observed a recovery in SMS delivery receipts from Twilio to Three network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Sep 02, 2026 - 16:44 PDT

        Identified

        Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Three network subscribers in the United Kingdom. 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 Sep 02, 2026 - 16:44 PDT

        Monitoring

        We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Sep 02, 2026 - 16:05 PDT

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom. 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 Sep 02, 2026 - 13:05 PDT

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom. 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 Sep 02, 2026 - 09:05 PDT

        Update

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom. 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 Sep 02, 2026 - 07:05 PDT

        Identified

        Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to H3G network subscribers in the United Kingdom. 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 Sep 02, 2026 - 06:03 PDT

        Investigating

        Twilio customers may be experiencing SMS delivery receipt delays from Twilio to H3G network subscribers in the United Kingdom. Our team is actively investigating this 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 Sep 02, 2026 - 04:58 PDT
        This incident affects: CARRIER NETWORK (SMS, Europe).