USA SMS - Planned maintenance affecting US Cellular Networks

Scheduled for Apr 9, 05:00 - 10:00 UTC

Scheduled

Between 9-April-2026, 05:00 UTC and 9-April-2026, 10:00 UTC the US Cellular networks will be performing maintenance on their SMS platforms.

During the maintenance window, you may experience delayed inbound and outbound messages and delivery receipts on US Cellular networks.

If you have any questions, please contact api.support.vonage.com

Posted Mar 31, 2026 - 19:19 UTC

This scheduled maintenance affects: Global Connectivity (SMS North America).