Car Registration Letters as at 1966

JM	Westmorland	NI	Northumberland	S	Edinburgh	W	Sheffield
JN	Southend-on-Sea	NM	Bedforoshire	SA	Aberdeenshire	WA	Sheffield
JO	Oxford	NN	Nottinghamshire	SB	Argyllshire	WB	Sheffield
JP	Wigan	NO	Essex	SC	Edinburgh	WC	Essex
JR	Northumberland	NP	Worcestershire	SD	Ayrshire	WD	Warwickshire
JS	Ross & Cromarty	NR	Leicestershire	SE	Banffshire	WE	Sheffield
JT	Dorset	NB	Sutherland	SF	Edinburgh	WF	Yorkshire (ER)
JU	Leicestershire	NT	Shropshire	SG	Edinburgh	WG	Stirlingshire
JV	Grimsby	NU	Derbyshire	SH	Berwickshire	WH	Bolton
JW	Wolverhampton	NV	Northamptonshire	SJ	Bute	WI	Waterford
JX	Halifax			SK	Caithness	WJ	Sheffield
JY	Plymouth	NW	Leeds	SL	Clackmannanshire	WK	Coventry
JZ	Down	NX	Warwickshire			WL	Oxford
		NY	Glamorganshire	SM	Dundeeshire	WM	Southport
K	Liverpool	NZ	Londonderry	SN	Dunbartonshire	WN	Swansea
KA	Liverpool			SO	Morayshire	WO	Monmouthuhire
KB	Liverpool	O	Birmingham	SP	Fifeshire	WP	Worcestershire
KC	Liverpool	OA	Birmingham	SR	Angus	WR	Yorkshire (WR)
KD	Liverpool	OB	Birmingham	SB	East Lothian	WS	Edinburgh
KE	Kent	OC	Birmingham	ST	Inverness-shire	WT	Yorkshire (WR)
KF	Liverpool	OD	Devon	SU	Kincardineshire	WU	Yorkshire (WR)
KG	Cardiff	OE	Birmingham	SV	Kinross-shire	WV	Wiltshire
KH	Kingston upon Hull	OF	Birmingham	SW	Kircudbrightshire	WW	Yorkshire (WR)
		OG	Birmingham			WX	Yorkshire (WR)
KI	Waterford	OH	Birmingham	SX	West Lothian	WY	Yorkshire (WR)
KJ	Kent	OI	Belfast	SY	Midlothian	WZ	Belfast
KK	Kent	OJ	Birmingham	SZ	Down
KL	Kent	OK	Birmingham			X	Northumberland
KM	Kent	OL	Birmingham	T	Devon	XA	London
KN	Kent	OM	Birmingham	TA	Devon	XB	London
KO	Kent	ON	Birmingham	TB	Lancashire	XC	London
KP	Kent	OO	Essex	TC	Lancahire	XD	London
KR	Kent	OP	Birmingham	TD	Lancashire	XE	London
KS	Roxburghshire	OR	Hampshire	TE	Lancashire	XF	London
KT	Kent	OS	Wigtownshire	TF	Lancashire	XG	Middlesbrough
KU	Bradford	OT	Hampshire	TG	Glamorganshire	XH	London
KV	Coventry	OU	Hampshire	TH	Carmarthenshire	XI	Belfast
KW	Bradford	OV	Birmingham	TI	Limerick	XJ	Manchester
KX	Buckinghamshire	OW	Southampton	TJ	Lancashire	XK	London
		OX	Birmingham	TK	Dorset	XL	London
KY	Bradford	OY	London	TI	Lincolnshire (Kesteven)	XM	London
KZ	Antrim	OZ	Belfast			XN	London
				TM	Bedfordshire	XO	London
L	Glamorganshire	P	Surrey	TN	Newcastle upon Tyne	XP	London
LA	London	PA	Surrey			XR	London
LB	London	PB	Surrey	TO	Nottingham	XS	Paisley
LC	London	PC	Surrey	TP	Portsmouth	XT	london
LD	London	PD	Surrey	TR	Southampton	XU	London
LE	London	PE	Surrey	TS	Dundee	XV	London
LF	London	PF	Surrey	TT	Devon	XW	London
LG	Cheshire	PG	Surrey	TU	Cheshire	XX	London
LH	London	PH	Surrey	TV	Nottingham	XY	London
LI	Westmeath	PI	Cork	TW	Essex	XZ	Armagh
LJ	Bournemouth	PJ	Surrey	TX	Glamorganshire
LK	London	PK	Surrey	TY	Northumberland	Y	Somerset
LL	London	PL	Surrey	TZ	Belfast	YA	Somerset
LM	London	PM	Sussex (East)			YB	Somerest
LN	London	PN	Sussex (East)	U	Leeds	YC	Somerset
LO	London	P0	Sussex (West)	UA	Leeds	YD	Somerset
LP	London	PP	Buckinghamshire	UB	Leeds	YE	London
LR	London			UC	London	YF	London
LS	Selkirkshire	PR	Dorset	UD	Oxfordshire	YG	Yorkshire (WR)
LT	London	PS	Shetland (Zetland)	UE	Warwickshire	YH	London
LU	London			UF	Brighton	YI	City and County of Dublin
LV	Liverpool	PT	Durham (County)	UG	Leeds
LW	London	PU	Essex	UH	Cardiff	YJ	Dundee
LX	London	PV	Ipswich	UI	Londonderry	YK	London
LY	London	PW	Norfolk	UJ	Shropshire	YL	London
LZ	Armagh	PX	Sussex (West)	UK	Wolverhampton	YM	London
		PY	Yorkshire (NR)	UL	London	YN	London
		PZ	Belfast	UM	Leeds	YO	London
M	Cheshire			UN	Denbighshire	YP	London
MA	Cheshire	QA QJ	London	UO	Devon	YR	London
MB	Cheshire	QB QK		UP	Durham (County)	YS	Glasgow
MC	London	QC QL	for	UR	Hertfordshire	YT	London
MD	London	QD QM	vehicles	US	Glasgow	YU	London
ME	London	QE QN	temporarily	UT	Leicestershire	YV	London
MF	London	QF QP	imported	UU	London	YW	London
MG	London	QG QQ	from	UV	London	YX	London
MH	London	QH QS	abroad	UW	London	YY	London
MI	Wexford			UX	Shropshire	YZ	Londonderry
MJ	Bedfordshire	R	Derbyshire	UY	Worcestershire
MK	London	RA	Derbyshire	UZ	Belfast	Z	City and County of Dublin
MI	London	RB	Derbyshire			ZA	City and County of Dublin
MM	London	RC	Derby	V	Lanarkshire	ZB	Cork (County)
MN	Isle of Man	RD	Reading	VA	Lanarkshire	ZC	City and County of Dublin
MO	Berkshire	RE	Staffordshire	VB	London	ZD	City and County of Dublin
MP	London	RF	Staffordshire	VC	Coventry	ZE	City and County of Dublin
MR	Wiltshire	RG	Aberdeen	VD	Lanarkshire	ZF	Cork
MS	Stirlingshire	RH	Kingston upon Hull	VE	Cambridgeshire	ZH	City and County of Dublin
MT	London			VF	Norfolk	ZI	City and County of Dublin
MU	London
MV	London	RI	City and County of Dublin	VG	Norwich	ZJ	City and County of Dublin
MW	Wiltshire			VH	Huddersfield	ZK	Cork (County)
MX	London	RJ	Salford	VJ	Herefordshire	ZL	City and County of Dublin
MY	London	RK	London	VK	Newcastle upon Tyne
MZ	Belfast	RL	Cornwall			ZM	Galway
		RM	Cumberland	VL	Lincoln	ZN	Meath
		RN	Preston	VM	Manchester	ZO	City and County of Dublin
N	Manchester	RO	Hertfordshire	VN	Yorkshire (NR)
NA	Manchester	RP	Northamptonshire	VO	Nottinghamshire	ZP	Donegal
NB	Manchester			VP	Birmingham	ZR	Wexford
NC	Manchester	RR	Nottinghamshire	VR	Manchester	ZT	Cork (County)
ND	Manchester	RS	Aberdeen	VS	Greenock	ZU	City and County of Dublin
NE	Manchester	RT	Suffolk (East)	VT	Stoke-on-Trent
NF	Manchester	RU	Bournemouth	VU	Manchester	ZW	Kildare
NG	Norfolk	RV	Portsmouth	VV	Northampton	ZX	Kerry
NH	Northampton	RW	Coventry	VW	Essex	ZY	Louth
NI	Wicklow	RX	Berkshire	VX	Essex	ZZ	Dublin: for
NJ	Sussex (East)	RY	Leicester	VY	York		temporarily
NK	Hertfordshire	RZ	Antrim	VZ	Tyrone		imported vehicles