# SMS Delivery Delays from a Subset of Twilio Short Codes to Multiple Networks in the United States and Puerto Rico

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 2h 29m
- started 2026-03-13 20:32 UTC
- SMS Short Code, North America
- us
- id: DWN-1fef4ba91d
- Official page: https://stspg.io/kg644bml5vnk

## Updates from Twilio
### 2026-03-13 20:32 UTC: investigating
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Verizon 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.

### 2026-03-13 20:41 UTC: identified
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Verizon and T-Mobile network subscribers in 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.

### 2026-03-13 20:53 UTC: identified
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Verizon, T-Mobile and AT&T network subscribers in 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.

### 2026-03-13 21:09 UTC: monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Verizon, AT&T, and 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.

### 2026-03-13 21:36 UTC: monitoring
We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Multiple Networks in the United States and Puerto Rico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-03-13 23:01 UTC: resolved
The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Multiple Networks in the United States and Puerto Rico is operating normally.

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