Twilio incident

SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems United States

Minor Resolved View vendor source →

Twilio experienced a minor incident on June 4, 2026 affecting SMS Long Code, North America and SMS Short Code, North America, lasting 8d 6h. The incident has been resolved; the full update timeline is below.

Started
Jun 04, 2026, 04:51 PM UTC
Resolved
Jun 12, 2026, 11:06 PM UTC
Duration
8d 6h
Detected by Pingoru
Jun 04, 2026, 04:51 PM UTC

Affected components

SMS Long Code, North AmericaSMS Short Code, North America

Update timeline

  1. investigating Jun 04, 2026, 04:51 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  2. investigating Jun 04, 2026, 05:51 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  3. identified Jun 04, 2026, 06:17 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  4. identified Jun 04, 2026, 07:17 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  5. identified Jun 04, 2026, 09:18 PM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  6. identified Jun 05, 2026, 01:19 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 8 hours or as soon as more information becomes available.

  7. identified Jun 05, 2026, 09:20 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 16 hours or as soon as more information becomes available.

  8. identified Jun 06, 2026, 01:21 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 24 hours or as soon as more information becomes available.

  9. identified Jun 07, 2026, 01:22 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 24 hours or as soon as more information becomes available.

  10. identified Jun 08, 2026, 01:31 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 24 hours or as soon as more information becomes available.

  11. identified Jun 09, 2026, 01:37 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless network subscribers. Our team has identified the cause, and is working to resolve the issue. Additionally, we have observed a recovery in SMS delivery from Twilio to Panhandle Telecommunications Systems network subscribers. We will provide another update in 24 hours or as soon as more information becomes available.

  12. identified Jun 10, 2026, 01:38 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 24 hours or as soon as more information becomes available.

  13. identified Jun 11, 2026, 01:39 AM UTC

    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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 24 hours or as soon as more information becomes available.

  14. monitoring Jun 11, 2026, 06:47 PM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  15. monitoring Jun 11, 2026, 08:48 PM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems 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.

  16. monitoring Jun 12, 2026, 12:48 AM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems network subscribers in the United States and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  17. monitoring Jun 12, 2026, 08:53 AM UTC

    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems network subscribers in the United States and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

  18. resolved Jun 12, 2026, 11:06 PM UTC

    The incident has been resolved and SMS delivery from a subset of Twilio Short Codes and Long Codes to United Wireless and Panhandle Telecommunications Systems network subscribers in the United States is operating normally.