Almost no information available for decoding the early A body tags that I could find. You do have date made (04/07), body type (V49)(Barracuda?), and probably can find interior color and body color by searching.
On my 1964 Dart I contacted Chrysler Historical (now Stellantis Historical Services) and this is their response:
In the 62-64 Different plants used letters for different option according to Galens little white books. It appears they standardized for 65. Thats why I need the 4th digit.