Here is an XL file listing all the known domestic BCC codes.

http://www.gearhead-efi.com/gearhead-efi/moates/1%20Moates%20Fileman/6)%20Miscellaneous%20Uploads/BCC%20lookup%20for%20Moates.xls

...

Go through the threads Brian linked to and see if you have anything not already there. You can't add to those threads so I'd PM Six_Shooter for the easiest way to add anything new you have.