Current optional series (2002 - up), The registration has N followed by the state crest above a waratah flower

Former normal series (1989 - 1994), RJM issued in 1990

Former normal series (1989 - 2004), PLJ issued in 1989

Former normal series (1988 - 1999), PIE issued in 1989

Former normal series (1980 - 1988), OZS issued in 1988

Former series (1981 - 1988), B = trailers

Former normal series (1951 - 1980), KAW issued in about 1979