SMS Delivery Delays from Twilio Phone Numbers to T-Mobile United States

Update timeline

1. monitoring Jul 27, 2026, 10:12 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to T-Mobile 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. monitoring Jul 27, 2026, 10:34 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile 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.

3. monitoring Jul 27, 2026, 11:34 PM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile 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.

4. monitoring Jul 28, 2026, 01:35 AM UTC

   Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile 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.

5. monitoring Jul 28, 2026, 03:40 AM UTC

   We have observed a recovery in SMS delivery from Twilio to T-Mobile 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.

6. monitoring Jul 28, 2026, 05:41 AM UTC

   The incident has been resolved and SMS delivery from Twilio to T-Mobile network subscribers in the United States is operating normally.