# SMS Delivery Failures from a Subset of Twilio Toll-Free Numbers to Multiple Networks in United States

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 7h 55m
- started 2026-05-12 07:03 UTC
- SMS Toll-Free, North America
- us
- id: DWN-a8c51b1d78
- Official page: https://stspg.io/2wsnflml7wvj

## Updates from Twilio
### 2026-05-12 07:03 UTC: investigating
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to 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.

### 2026-05-12 07:41 UTC: identified
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to 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.

### 2026-05-12 08:43 UTC: identified
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to 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.

### 2026-05-12 10:49 UTC: identified
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to 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.

### 2026-05-12 14:50 UTC: monitoring
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Toll-Free Numbers to the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

### 2026-05-12 14:58 UTC: resolved
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

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