Hello Steven,
I assume you meant that your project is suspended. Hence, you have no access to its resources like your Compute Engine instances. That said, in such cases [1] [2], and in order to regain access as to recover your data, you either have to appeal if there was a violation to the Acceptable Use Policy, or verify your billing account if the billing account itself is suspended (also causes project suspension and all its resources). If you have to appeal in case of [1], you should have received an email from google-clou...@google.com with the resources needed. I hope this helps.