Telesign system status

Telesign system status history

This page offers API uptime information for Telesign services, in addition to incident history reports and service issues alerts.

Current status Report incident History

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Operator Service Alert - Planned Maintenance - United States (US) - United States Cellular Corp (311/220;580)

Scheduled Maintenance Report for Telesign System

Completed

The scheduled maintenance has been completed.

Posted Jul 24, 2025 - 03:30 PDT

In progress

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

Posted Jul 23, 2025 - 23:00 PDT

Scheduled

Issue: United States (US) - United States Cellular Corp (311/220;580) Maintenance

Date: 07/23/25
Start Time: 11 PM PDT
End Time: 03:30 AM PDT, 07/24/25

Summary:
We have received notification that US Operator United States Cellular Corp (311/220;580) will perform planned maintenance on the date and time specified above. During this time period, customers with Dedicated Short Codes that send SMS messages to United States Cellular Corp (311/220;580) users may experience a temporary delay in message delivery, so we kindly ask that you plan accordingly. This United States Cellular Corp (311/220;580) operator maintenance will not affect other US operators.

On behalf of the operator, we'd like to apologize for any inconvenience and appreciate your patience during this service window.

If you have any questions, please contact us at support@telesign.com.

Posted Jul 23, 2025 - 22:55 PDT

This scheduled maintenance affected: SMS/SMS Verify - NA & LATAM (NA & LATAM - All countries, United States).