# SendGrid: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States

- Provider: [SendGrid](https://outages.cc/sendgrid.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-26 20:29 UTC
- Resolved: 2026-10-27 21:08 UTC (lasted 24 h 39 min)
- Components: MMS Long Code, North America, CARRIER NETWORK - MMS Long Code, North America, ZIPWHIP MESSAGING - MMS Long Code, North America
- Official update: https://stspg.io/9fkh4pf3hgcm

## Updates from SendGrid

### resolved, 2026-10-27 21:08 UTC

The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to Cellcom network subscribers in the United States is operating normally.

### monitoring, 2026-10-27 21:00 UTC

We have observed a recovery in MMS delivery from Twilio Long Codes to Cellcom network subscribers in the United States and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

### monitoring, 2026-10-27 12:59 UTC

We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom network subscribers in the United States and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

### monitoring, 2026-10-27 08:59 UTC

We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom 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.

### monitoring, 2026-10-27 06:58 UTC

We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom 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.

### identified, 2026-10-27 03:35 UTC

Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 8 hours or as soon as more information becomes available.

### identified, 2026-10-26 23:35 UTC

Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 4 hours or as soon as more information becomes available.

### identified, 2026-10-26 21:34 UTC

Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 2 hours or as soon as more information becomes available.

### identified, 2026-10-26 20:34 UTC

Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.

### investigating, 2026-10-26 20:29 UTC

Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.
