Back to the licenseplates index USA - Oklahoma Recent plates First pair of letters denote the area. Unfortunately I don't have an up to date list. Can you help me out? City, County and State plates Fire Fighter FF plates Special military medals plate This plate contains the purple heart and the bronze star as a prefix of a personalized registration. Veteran plate 1982 Sunbelt plates MY=Mayes 1979-82 Former plates OL=Okmulgee Special plates ELKN Assassociation Vanity plate Indian Nation plates Cherokee Nation Cherokee Nation Veteran (V) Indian Nation plates United Keetoowah Band of Cherokee (UKB) Classic plates for cars over 21 years old. AV=Antique Vehicle Historic plates