Re: I cannot find my 20 digit code for Supernatural in my confirmation email

try this log into your origin account right click on your game icon show game details the code should be there 16 digit code are usually for dlc items which you redeem th e16 digit code on your the sims 3 site account

if you cannot find your code then contact CS

They can be found here: https://help.ea.com/contact-us
Choose a category, a game and a platform for the contact options to show up.
If live chat is gray, change your country to US and make sure you're on US Business hours. It might also gray because they're very busy. Try later.
See this post if you have trouble with the site: http://sims3.crinrict.com/en/2012/10/how-to-contact-ea.html