United States SMS Carrier Maintenance - AT&T and US Cellular Corp.

Scheduled Maintenance Report for Twilio

Completed

The scheduled maintenance has been completed.

Posted Jun 04, 2026 - 06:00 PDT

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted Jun 03, 2026 - 21:00 PDT

Scheduled

The AT&T and US Cellular Corp. networks in the United States are conducting an emergency maintenance from 03 June 2026 at 21:00 PDT until 04 June 2026 at 06:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T and US Cellular Corp. United States handsets when sending via long codes and short codes.

We are aware of the short notice and are working with our Carrier Partners to provide earlier notification where possible.

Posted Jun 03, 2026 - 04:35 PDT

This scheduled maintenance affected: CARRIER NETWORK (SMS Long Code, North America, SMS Short Code, North America).