Twilio Services
Issues related to Twilio’s Software
    External Connectivity
    Issues found outside of Twilio’s Network
      Zipwhip Gateway
      Issues related to Zipwhip's Services
        Scheduled maintenance
        System Metrics

        United States SMS Carrier Partner Maintenance

        Scheduled for Mar 18, 22:00 PDT  -  Mar 19, 01:00 PDT

        Scheduled

        Our SMS carrier partner in the United States is conducting a planned maintenance from 18 March 2026 at 22:00 PDT until 19 March 2026 at 01:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to US Cellular Corp. United States handsets via subset of United States short codes.
        Posted Mar 13, 2026 - 12:35 PDT
        This scheduled maintenance affects: CARRIER NETWORK (SMS Short Code, North America).