The Drivers License Compact has been adopted by all but about five states (Michigan, Wisconsin, Georgia, Tennessee (dropped out in 1997) and Massachusetts). The key to whether you get points or not is if the agency that charged you "reports" it to your "home jurisdiction" as required. Here is some good reading for you:
http://leg1.state.va.us/cgi-bin/legp504.exe?000+cod+46.2-483