Zingle incident

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

Minor Resolved View vendor source →

Zingle experienced a minor incident on June 4, 2026, lasting 1d 15h. The incident has been resolved; the full update timeline is below.

Started
Jun 04, 2026, 04:00 AM UTC
Resolved
Jun 05, 2026, 07:39 PM UTC
Duration
1d 15h
Detected by Pingoru
Jun 04, 2026, 04:00 AM UTC

Update timeline

  1. monitoring Jun 04, 2026, 04:00 AM UTC

    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.