# SMS Delivery Failures from Twilio Phone Numbers to AT&T Mexico

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 9m
- started 2026-05-14 21:07 UTC
- SMS, Latin America
- id: DWN-52bc6c6947
- Official page: https://stspg.io/498qjnvlgh7g

## Updates from Twilio
### 2026-05-14 21:07 UTC: investigating
Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to AT&T network subscribers in Mexico. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-05-14 21:10 UTC: identified
Twilio customers may be experiencing SMS delivery failures from Twilio Phone Numbers to AT&T network subscribers in Mexico. 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.

### 2026-05-14 21:16 UTC: monitoring
We have observed a recovery in SMS delivery from Twilio Phone Numbers to AT&T network subscribers in Mexico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-05-14 21:16 UTC: resolved
The incident has been resolved and SMS delivery from Twilio Phone Numbers to AT&T network subscribers in Mexico is operating normally.

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