# MMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 5h 50m
- started 2026-08-10 23:45 UTC
- MMS Long Code, North America
- us
- id: DWN-82640b4f87
- Official page: https://stspg.io/ycc3ng9k1hxc

## Updates from Twilio
### 2026-08-10 23:45 UTC: investigating
Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-08-10 23:50 UTC: identified
Twilio customers may be experiencing MMS delivery receipt delays from Twilio to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-08-11 00:50 UTC: identified
Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-08-11 02:38 UTC: monitoring
We have observed a recovery in MMS delivery receipts from a subset of Twilio Long Codes to AT&T 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.

### 2026-08-11 04:44 UTC: monitoring
We have observed a recovery in MMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

### 2026-08-11 05:35 UTC: resolved
The incident has been resolved and MMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.

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