This is not GameFaggots.com (GameFAQs.com).
Uhhh.... probably would help everyone if you told them WHAT pokemon game. There's tones. Anyways, check Codejunkies.com for action replay codes, google would probably bring stuff up, it's not uncommon for these games to get a massive code faq at gamefaqs. And if you are talking about the latest Diamond and Pearl... who the fuck knows.