Decoding your HIN

HIN Formats Before August 1, 1984

Month	Letter
August	A
September	B
October	C
November	D
December	E
January	F
February	G
March	H
April	I
May	J
June	K
July	L

HIN Formats After August 1, 1984

Month	Code
January	A
February	B
March	C
April	D
May	E
June	F
July	G
August	H
September	I
October	J
November	K
July	L