Zingle incident

SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to Multiple Networks in United States

Minor Resolved View vendor source →

Zingle experienced a minor incident on July 5, 2026, lasting 2d 14h. The incident has been resolved; the full update timeline is below.

Started
Jul 05, 2026, 10:51 PM UTC
Resolved
Jul 08, 2026, 01:24 PM UTC
Duration
2d 14h
Detected by Pingoru
Jul 05, 2026, 10:51 PM UTC

Update timeline

  1. monitoring Jul 05, 2026, 10:51 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple networks in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

  2. monitoring Jul 05, 2026, 11:52 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

  3. monitoring Jul 06, 2026, 12:53 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple networks in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

  4. monitoring Jul 06, 2026, 02:55 AM UTC

    We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to network subscribers on multiple networks 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.

  5. monitoring Jul 06, 2026, 05:04 AM UTC

    The incident has been resolved and SMS delivery receipts from a subset of Twilio Long Codes to affected networks in the United States are operating normally.