# SMS Delivery Delays From a Subset of Twilio Short Codes to T-Mobile United States

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 3h 35m
- started 2026-08-20 12:32 UTC
- SMS Short Code, North America
- us
- id: DWN-560c1d89ae
- Official page: https://stspg.io/v10lz8vxlcgt

## Updates from Twilio
### 2026-08-20 12:32 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile 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.

### 2026-08-20 13:35 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-08-20 14:05 UTC: monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to T-Mobile 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.

### 2026-08-20 16:07 UTC: resolved
The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.

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