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        Scheduled maintenance
        System Metrics

        United States SMS and MMS Carrier Maintenance - AT&T

        Scheduled for Mar 10, 19:00 - 22:00 PDT

        Scheduled

        The AT&T network in the United States is conducting a planned maintenance from 10 March 2026 at 19:00 PDT until 10 March 2026 at 22:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS and MMS to and from AT&T United States handsets when sending via subset of long codes and short codes.
        Posted Mar 06, 2026 - 10:31 PST
        This scheduled maintenance affects: CARRIER NETWORK (SMS Long Code, North America, MMS Long Code, North America, SMS Short Code, North America, MMS Short Code, North America).