| Digit 1 | Digit 2 | Digit 3 | Digit 4 | Digits 5-10 |
|---|---|---|---|---|
| Car Line | Model | Model Year | Assembly Plant | Sequence No. |
First Digit = Car Line
- 1 = Plymouth Valiant Slant-6
- 2 = Plymouth Slant-6
- 3 = Plymouth V8
- 4 = Dodge Slant-6
- 5 = Dodge 880 V8
- 6 = Dodge V8
- 7 = Dodge Dart Slant-6
- 8 = CHRYSLER V8
- 9 = IMPERIAL V8
- L = Dodge Dart V8
- V = Plymouth Valiant/Barracuda V8
Second Digit = Model
- 1 = Valiant 100, Savoy, 330, 880, Dart 170, Newport, Custom.
- 2 = Belvedere, 440, 880 Custom, 300, Crown.
- 3 = Valiant 200, Fury, Polara, Dart 270, New Yorker, LeBaron.
- 4 = Signet, Sport Fury, Polara 500, Dart GT, 300K, Barracuda.
- 5 = 100 Wagon, Savoy Wagon, 330 Wagon, 170 Wagon, Newport Town and Country.
- 6 = Belvedere Wagon, 440 Wagon, 880 Custom Wagon.
- 7 = 200 Wagon, Fury, 270 Wagon, New Yorker Town & Country.
- 8 = Taxi, New Yorker Salon.
- 9 = Police.
- 0 = Fleet.
Third Digit = Model Year
- 4 = 1964
Fourth Digit = Assembly Plant
- 1 = Lynch Road, MI
- 2 = Hamtramck, MI
- 3 = Jefferson, MI
- 4 = Belvedere, MI
- 5 = Los Angeles, CA
- 6 = Newark, DE
- 7 = Saint Louis, MO
Last six digits are the sequence number