System Status

This page offers API uptime information for TeleSign services, in addition to incident history reports and service issues alerts.
Operator Service Alert - Planned Maintenance - United States Cellular Corp - 2019-07-09
Scheduled Maintenance Report for TeleSign System Status
The scheduled maintenance has been completed.
Posted 14 days ago. Jul 09, 2019 - 02:00 PDT
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted 14 days ago. Jul 08, 2019 - 23:00 PDT
Issue: US Operator - United States Cellular Corp Maintenance

Date: 2019-07-08
Start Time: 23:00:00 PDT
End Time: 2019-07-09 at 02:00:00 PDT

We have received notification that US Operator United States Cellular Corp will be performing 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 users may experience a temporary delay in message delivery, so we kindly ask that you plan accordingly. Other US operators will not be affected by this United States Cellular Corp operator maintenance.

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

If you have any questions, please contact us at

Kind Regards,
TeleSign Support
Posted 20 days ago. Jul 03, 2019 - 09:31 PDT
This scheduled maintenance affected: Operator Alerts.