Twilio incident
SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States
Twilio experienced a minor incident on October 5, 2026 affecting SMS Long Code, North America, lasting 5h 8m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 05, 2026, 11:25 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to AT&T 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.
- investigating Oct 06, 2026, 12:25 AM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes to AT&T 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.
- monitoring Oct 06, 2026, 02:27 AM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to AT&T 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 Oct 06, 2026, 04:34 AM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.