Just found this, looks pretty handy
W V W // Z Z Z // 1 9 // Z // B // W // 1 2 3 4 5 6
Maker // fill // Typ // fill // Year // Oper. Div. // Car number
Maker:
WVW - Europe
1VW - USA
3VW - Mexico
9BW - Brasil
AAV - South africa
Fill:
Z for non USA models
Typ:
16 - Jetta
17 - Golf Mk. 1
19 - Golf Mk. 2 (to 08/88)
1C - New Beetle
1E - Cabrio (Golf Mk. 3)
1G - Golf Mk. 2 (from 09/88)
1H - Golf Mk. 3
1J - Golf Mk. 4
1K - Golf Mk. 5
Year:
A - 1980
B - 1981
C - 1982
D - 1983
E - 1984
F - 1985
G - 1986
H - 1987
J - 1988
K - 1989
L - 1990
M - 1991
N - 1992
P - 1993
R - 1994
S - 1995
T - 1996
V - 1997
W - 1998
X - 1999
Y - 2000
1 - 2001
2 - 2002
3 - 2003
4 - 2004
5 - 2005
Operating Division:
1 - Györ, Magyar
2 - Changcum, China
4 - Curitiba, Brasil
A - Ingolstadt
B - Brüssel
C - Taipeh, Taiwan
D - Bratislava, CZ
E - Emden
F - Ipiranga, Brasil (1996)
G - "Steyer- Daimler" (from 1995)
H - Hannover
J - Jakarta, Indonesia (1998)
K - Osnabrück (KARMANN)
M - Puebla, Mexico
N - Neckarsulm
P - Mosel
R - Martorell, Spain (1996)
S - Salzgitter
T - Sarajevo (from 1994, to 2001)
U - South afrika
V - Pennsylvania, USA (1979 to 1988)
V - Portugal (from 1994)
X - Poznan, Poland (1995)
W - Wolfsburg
Y - Navarra, Spain (1996)
Z - Zuffenhausen
Car number:
Your car