Virgin Mobile do not support the pin2 function therefore there is no such pin.
Info taken from:
Welcome to the community and thanks for posting.
I can see geordiechris has been helping you out which is great.
We are always looking at ways in which we can improve our services although currently pin2 is not supported by us.
If you need anything else don't hesitate to get back to us.
The do's and don'ts. Keep the community welcoming for all. Follow the house rules