I certainly understand the importance of making sure you're able to manage your account online, jamesmimbs006, and I am here to help. We will have to take a look at your account to assist with this one, so please be on the lookout for a private message from us.
-Joseph
If it's the free trial, then I wouldn't think anything in My Verizon works with it, since you have to be a paying customer with an active service before anything in My Verizon is functional. The free trial has no perks or subscriptions to be managed.