The person I spoke with at the 855 number was extremely helpful and knowledgeable. If you call the 888 number, swear at them, but be kind to the people at the other number.
As a side note... I used Virgin Mobile's only form to send a message (complaining about their customer service). They ask for my name, phone number, and personal pin. I received a "message received" email back from them. The email included BOTH my phone number AND personal pin! That's the information I use to log into their webiste!!! That isn't very secure for many reason.....
By the way, I got the phone number from this blog: