Louisiana has 64 parishes, which are the equivalent of counties

in other states, but has never used parish codes on license

plates.  However, from 1964 to 1994, plates were issued

according to State Police troop districts.

LOUISIANA TROOP DISTRICT CODES 1964-94

A   Baton Rouge

B   New Orleans

C   New Iberia/Morgan City

D   Lake Charles

E   Alexandria

F   Monroe

G   Shreveport

H   Leesville (1H001 - 174H000 only)

I   Lafayette

K   Opelousas

L   Hammond

M   Thibodaux (1964-73)

N   Crowley (1964-73)

    New Orleans (1982-94)

X   Baton Rouge (Mail Order)(also 174H001 - 500H000)