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        SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States

        Incident Report for Twilio

        Update

        Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone 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 21, 2026 - 11:11 PDT

        Investigating

        Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone 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 21, 2026 - 10:10 PDT
        This incident affects: CARRIER NETWORK (SMS Short Code, North America).
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