UPDATE: The activation issue has been resolved. The activation backlog will be completed today. 

Iridium is experiencing an unscheduled outage with their provisioning systems. New activations, rate plan changes, and suspensions will be delayed until the outage has been resolved. For activations and rate plan changes no action is required the changes will be automatically processed. For suspensions, please try again later today.

This post will be updated when the issue has been resolved.