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        SMS and MMS Delivery Delays from Twilio to Verizon United States

        Incident Report for Twilio

        Resolved

        The incident has been resolved and SMS and MMS delivery from Twilio to Verizon network subscribers in the United States are operating normally.
        Posted May 28, 2026 - 22:54 PDT

        Update

        We have observed a recovery in SMS and MMS delivery from Twilio Phone Numbers to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted May 28, 2026 - 18:49 PDT

        Monitoring

        We have observed a recovery in SMS and MMS delivery from Twilio to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted May 28, 2026 - 16:34 PDT

        Update

        We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
        Posted May 28, 2026 - 13:56 PDT

        Update

        We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
        Posted May 28, 2026 - 02:47 PDT

        Update

        We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
        Posted May 28, 2026 - 01:37 PDT

        Update

        We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
        Posted May 27, 2026 - 18:45 PDT

        Update

        Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted May 27, 2026 - 14:30 PDT

        Update

        Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted May 27, 2026 - 12:19 PDT

        Identified

        Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted May 27, 2026 - 11:18 PDT

        Update

        Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon 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 May 27, 2026 - 11:14 PDT

        Investigating

        Twilio customers may be experiencing SMS and MMS delivery delays from Twilio Phone Numbers to Verizon 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 May 27, 2026 - 10:13 PDT
        This incident affected: CARRIER NETWORK (SMS Long Code, North America, MMS Long Code, North America, SMS Short Code, North America, MMS Short Code, North America, SMS Toll-Free, North America, MMS Toll-Free, North America) and ZIPWHIP MESSAGING (SMS Long Code, North America, MMS Long Code, North America, SMS Toll-Free, North America, MMS Toll-Free, North America).