The PokéCommunity Forums does not have a visible privacy policy, but we do wish and expect that you would keep information that important to you, to yourselves. This includes phone numbers, addresses, names, email address, IM handles, online game nicks, Friend Codes and anything else that is personal and can act as a way of contacting you. You are allowed to disclose such information if you so please, but you are under no such obligation and it is your responsibility to keep such information private or public if you want.
That said, the reason I bring that up here, in Other Games (as personal information is relevant across PC), is because of online games and Nintendo DS Friend Codes. For the time being, there will not be a large thread for you to post your Friend Codes in to act as a directory. Nor will you be allowed to post your Friend Codes in public through threads or posts. You are allowed to share your Friend Codes; I simply ask that you be careful about it.