United States SMS Carrier Maintenance - AT&T

resolved · 23 Aug 2026, 12:00

Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

investigating · 23 Aug 2026, 08:00

**2026-08-21T06:54:18.455Z** — <p>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.</p> **2026-08-23T06:00:39.076Z** — Maintenance will begin as scheduled in 60 minutes. **2026-08-23T07:00:09.118Z** — Scheduled maintenance is currently in progress. We will provide updates as necessary.

investigating · 23 Aug 2026, 07:03

**2026-08-21T06:54:18.455Z** — <p>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.</p> **2026-08-23T06:00:39.076Z** — Maintenance will begin as scheduled in 60 minutes.

investigating · 21 Aug 2026, 07:57

**2026-08-21T06:54:18.455Z** — <p>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.</p>