United States SMS Carrier Maintenance - AT&T

Maintenance

August 23, 7:00am

United States SMS Carrier Maintenance - AT&T

Status: closed

Start: August 23, 3:00am

End: August 23, 7:00am

Duration: 4 hours

Affected Components:

3rd Party Providers Twilio SMS Long Code, North America SMS Short Code, North America

Update

August 23, 3:00am

The AT&T network in the United States is conducting a planned maintenance from 23 August 2026 at 00:00 PDT until 23 August 2026 at 04:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T United States handsets when sending via long codes and short codes.

Resolved

August 23, 7:00am

The scheduled maintenance has been completed.