# Sinch: Delivery Issue - United States - AT&T

> Sinch reports delivery problems for SMS Verification, SMS - US - 10DLC, Verification - SMS Verification, and External Connectivity - SMS - US - 10DLC in the United States on the AT&T network. Sinch is investigating. The incident started at 00:00 UTC on 2026-11-12.

- Provider: [Sinch](https://outages.live/sinch.md)
- Type: Incident
- State: investigating
- Worst impact: Degraded performance
- Started: 2026-11-12 00:33 UTC
- Components: SMS Verification, SMS - US - 10DLC, Verification - SMS Verification, External Connectivity - SMS - US - 10DLC
- Official update: https://stspg.io/p08dtzzzp4nn

## Updates from Sinch

### investigating, 2026-11-12 00:36 UTC

We are currently observing delivery issues in United States - AT&T Incident Start Time: 2026-11-12 00:00 UTC Impact: Failed MT's/Delayed MT's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have any questions, please contact support@sinch.com.