# SendGrid: United States SMS and MMS Carrier Maintenance - AT&T

- Provider: [SendGrid](https://outages.cc/sendgrid.md)
- Type: Maintenance
- State: Resolved
- Worst impact: Maintenance
- Started: 2026-11-05 02:00 UTC
- Resolved: 2026-11-03 23:42 UTC (lasted 1 min)
- Components: SMS Long Code, North America, MMS Long Code, North America, SMS Short Code, North America, MMS Short Code, North America, CARRIER NETWORK - SMS Long Code, North America, CARRIER NETWORK - MMS Long Code, North America, CARRIER NETWORK - SMS Short Code, North America, CARRIER NETWORK - MMS Short Code, North America
- Official update: https://stspg.io/rs3f89wqqn2w

## Updates from SendGrid

### resolved, 2026-11-03 23:42 UTC

No text.

### scheduled, 2026-11-03 23:33 UTC

The AT&T network in the United States is conducting a planned maintenance from 04 November 2026 at 18:00 PST until 05 November 2026 at 03:00 PST. During the maintenance window, there could be intermittent delays delivering SMS and MMS to and from AT&T United States handsets when sending via long codes and short codes.