This link is there now:

Already an NHL® Centre Ice™ subscriber?
Log in now for your NHL® GameCenter LIVE™ access code

So just go to the TV Online (from post above) and get your code.

..got all signed up! After you get to the page with the code - make sure you click on the Link there to go to the gamecenter website. It has /bell in the address.
Thank you very much!!!