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Twilio Services
Issues related to Twilio’s Software
    External Connectivity
    Issues found outside of Twilio’s Network
      Scheduled maintenance
      System Metrics
      SMS Delivery Delays to US Cellular One from Shortcodes and Longcodes
      Incident Report for Twilio
      Resolved
      We are no longer experiencing SMS delivery delays when sending messages to US Cellular One. This incident has been resolved.
      Posted May 13, 2021 - 05:13 PDT
      Monitoring
      We are observing recovery in SMS delivery delays when sending messages to US Cellular One. 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 May 13, 2021 - 04:25 PDT
      Update
      We are still experiencing SMS delivery delays when sending messages to US Cellular One from shortcodes and longcodes. Our engineers continue to work with our carrier partner to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
      Posted May 12, 2021 - 23:41 PDT
      Update
      We are still experiencing SMS delivery delays when sending messages to US Cellular One from shortcodes and longcodes. Our engineers continue to work with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
      Posted May 12, 2021 - 15:49 PDT
      Update
      We are now experiencing SMS delivery delays when sending messages to US Cellular One from shortcodes in addition to longcodes. Our engineers continue to work with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
      Posted May 12, 2021 - 12:21 PDT
      Update
      We are still experiencing SMS delivery delays when sending messages to US Cellular One from a subset of longcodes. Our engineers continue to work with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
      Posted May 12, 2021 - 11:22 PDT
      Investigating
      We are experiencing SMS delivery delays when sending messages to US Cellular One from a subset of longcodes. 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 May 12, 2021 - 10:23 PDT
      This incident affected: CARRIER NETWORK (SMS Long Code, North America, SMS Short Code, North America).
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