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

Date:11/03/25
Start Time: 21:10 PM PST - 11/03/25
End Time: 21:30 PM PST - 11/03/25

We received notification that the network issues previously reported by United States Cellular Corp (311/220;580) from United States (US) have been resolved. United States Cellular Corp (311/220;580) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

On behalf of the Operator, we apologize for any inconvenience this issue may have caused. If you have additional questions, please feel free to contact support@telesign.com.

Issue: Operator - United States Cellular Corp (311/220;580) Quality degradation

Start Time: 21:10 PM PST - 11/04/25
End Time: - Ongoing

Summary:

We received notification that United States Cellular Corp (311/220;580) from United States (US) is currently experiencing network issues, and this may cause a delay in the delivery of SMS messages.

Telesign is engaged with the operators for updates on resolution.

We'd like to apologize for any inconvenience and appreciate your patience during this service interruption. If you have any questions, please contact support@telesign.com.

SF[01081806]