Twilio incident
SMS Delivery Delays from Twilio to T-Mobile United States
Twilio experienced a minor incident on July 27, 2026 affecting SMS Long Code, North America and SMS Long Code, North America and 1 more component, lasting 7h 28m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating 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.
- identified 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.
- identified 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.
- identified 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.
- 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.
- resolved 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.