LCID or Codepage?

I was demoing how to change the displayname format in Windows 2003 AD when the question came up about what the code 0x409 meant.  It's the LCID for US English.  Here's a list of LCID numbers used in Windows XP - It shouldn't be that different in Windows Server 2003.

http://www.microsoft.com/globaldev/nlsweb/