Zingle incident

SMS Delivery Delays from Twilio Long Codes to AT&T United States

Minor Resolved View vendor source →

Zingle experienced a minor incident on May 11, 2026, lasting 21h 43m. The incident has been resolved; the full update timeline is below.

Started
May 11, 2026, 07:23 PM UTC
Resolved
May 12, 2026, 05:06 PM UTC
Duration
21h 43m
Detected by Pingoru
May 11, 2026, 07:23 PM UTC

Update timeline

  1. monitoring May 11, 2026, 07:23 PM UTC

    Twilio customers may be experiencing SMS delivery report delays from a subset of Twilio Long Codes and Toll-Free Numbers to AT&T 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.