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        SMS Delivery Delays to the US Cellular Network in the United States

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery delays when sending messages to the US Cellular Network in the United States. This incident has been resolved.
        Posted Dec 19, 2025 - 09:05 PST

        Monitoring

        We are observing recovery in SMS Delivery Delays to the US Cellular Network in the United States. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Dec 19, 2025 - 07:01 PST

        Update

        We are experiencing SMS Delivery Delays to the US Cellular Network in the United States. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Dec 19, 2025 - 06:20 PST

        Investigating

        We are experiencing SMS Delivery Delays To Cellular Corp Network in United States of America. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Dec 19, 2025 - 06:11 PST
        This incident affected: CARRIER NETWORK (SMS Long Code, North America, SMS Short Code, North America, SMS Toll-Free, North America).