# SMS Delivery Delays from a Subset of Twilio Short Codes to ISP Telecom United States

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 2h 34m
- started 2026-03-17 21:07 UTC
- SMS
- us
- id: DWN-5ca4193619
- Official page: https://stspg.io/qhpj7dgl71cd

## Updates from Twilio
### 2026-03-17 20:55 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP Telecom 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.

### 2026-03-17 21:07 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP Telecom 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.

### 2026-03-17 21:22 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP Telecom 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.

### 2026-03-17 21:24 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP Telecom 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.

### 2026-03-17 22:10 UTC: investigating
Twilio customers may be still experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP Telecom 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.

### 2026-03-17 23:41 UTC: resolved
We have fully investigated the SMS delivery delays from a subset of Twilio Short Codes to ISP Telecom network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.

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