Hi Grafix,
It is unlikely to find somebody who knows ALL the master codes for ALL receivers and for ALL versions. You need to define which receiver you are working on and , probably, the version of the software you are using. After knowing which receiver you want, you better off:
1- go to
http://www.dhanz.blogfa.com/
2- Look for a "Master codes" list down the page, and try the mentioned websites.
I hope you will find what you are looking for. In many cases the best thing is to "Google" what you are looking for instead of asking around.