# SMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 2h 21m
- started 2026-03-06 04:15 UTC
- SMS Long Code, North America
- us
- id: DWN-e09750d52c
- Official page: https://stspg.io/yh748q8mv203

## Updates from Twilio
### 2026-03-06 04:15 UTC: investigating
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.

### 2026-03-06 04:46 UTC: monitoring
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.

### 2026-03-06 06:36 UTC: resolved
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.

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