# Twilio: SMS Delivery Failures From Long Code Numbers to AT&T in the US

> Twilio reports SMS delivery failures from Long Code numbers to AT&T in the US. The affected components are SMS Long Code, North America and CARRIER NETWORK - SMS Long Code, North America. Twilio is investigating and works with its carrier partner.

- Provider: [Twilio](https://outages.live/twilio.md)
- Type: Incident
- State: investigating
- Worst impact: Degraded performance
- Started: 2026-11-12 01:17 UTC
- Components: SMS Long Code, North America, CARRIER NETWORK - SMS Long Code, North America
- Official update: https://stspg.io/qcyjvqtw8lr0

## Updates from Twilio

### investigating, 2026-11-12 01:18 UTC

We are experiencing SMS Delivery Failures From Long Code Numbers to AT&T in the US. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.