# SMS Delivery Failures from Multiple Networks in United Kingdom to a Subset of Twilio Long Codes

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 17h 1m
- started 2026-06-11 20:30 UTC
- SMS, Europe
- eu
- id: DWN-3cb9894f11
- Official page: https://stspg.io/3xdry14sdfgm

## Updates from Twilio
### 2026-06-11 20:30 UTC: investigating
Twilio customers may be experiencing SMS delivery delays and failures from network subscribers to a subset of Twilio United Kingdom Long Codes. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-06-11 20:31 UTC: identified
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. 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.

### 2026-06-11 21:31 UTC: identified
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. 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.

### 2026-06-11 23:33 UTC: identified
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. 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.

### 2026-06-12 03:40 UTC: identified
Twilio customers may be experiencing SMS delivery failures from network subscribers on multiple networks in the United Kingdom to a subset of Twilio Long Codes. 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.

### 2026-06-12 11:22 UTC: monitoring
We have observed a recovery in SMS delivery from network subscribers to a subset of Twilio United Kingdom Long Codes and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-06-12 13:31 UTC: resolved
The incident has been resolved and SMS delivery from network subscribers to Twilio United Kingdom Long Codes is operating normally.

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