United States SMS and MMS Carrier Maintenance - AT&T

Scheduled for Jun 9, 18:00 PDT - Jun 10, 00:00 PDT

Scheduled

The AT&T network in the United States is conducting a planned maintenance from 09 June 2026 at 18:00 PDT until 10 June 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS and MMS to and from AT&T United States handsets when sending via subset of long codes, long codes and toll free numbers.

Posted Jun 05, 2026 - 07:40 PDT

This scheduled maintenance affects: CARRIER NETWORK (SMS Long Code, North America, MMS Long Code, North America, SMS Toll-Free, North America, MMS Toll-Free, North America) and ZIPWHIP MESSAGING (SMS Long Code, North America, MMS Long Code, North America, SMS Toll-Free, North America, MMS Toll-Free, North America).