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See Homepage. This page: Find out more about the 'KX' series of registration numbers, used in the Buckinghamshire area.

KX series of older car registration numbers.

Registration letters >> KX series
This page lists registration number codes from the KX series, a series allocated to the Buckinghamshire area. Also included, where known, are the date periods that these car registration numbers were used in. The data covers the period of 1900 through to 1972, so registrations seen on later cars wouldn't necessarily be included in this information.

Interpreting a car's registration number.

The majority of post-war car numbers incorporate a three letter code - where this is the case, letters 2 and 3 signify the location code. So, for instance, a car with the registration number 638 GKX or TKX 512D would be a Buckinghamshire-issued number. A car with just two letters, ie KX, would also be from this area. Listed below are the known KX series registrations, with added information (where available) describing when each series was first used, and in a few cases, when it came to an end. Some letter codes were used for more than one period during the 20th Century. This information can be invaluable when trying to date vehicles seen in old photographs, or in old films for instance.
Also if your car has lost it's original registration, perhaps sold off by a previous owner as a "cherished" number, this information will help you find a suitable replacement, or at least identify which series would be suitable, based on the age of your car and where it was first registered.
KX Registrations - Buckinghamshire.
Reg. Letters Year Letter Start -> End Date (if known)
AKX K AUG 1971 ->
AKX F DEC 1967 ->
AKX B APR 1964 ->
AKX OCT 1933 ->
AKX NOV 1956 ->

BKX K AUG 1971 ->
BKX F FEB 1968 ->
BKX B MAY 1964 ->
BKX JAN 1935 ->
BKX APR 1957 ->

CKX K OCT 1971 ->
CKX F MAR 1968 ->
CKX B JUL 1964 ->
CKX JAN 1936 ->
CKX SEP 1957 ->

DKX K NOV 1971 ->
DKX F MAY 1968 ->
DKX B SEP 1964 ->
DKX DEC 1936 ->
DKX FEB 1958 ->

EKX K JAN 1972 ->
EKX G AUG 1968 ->
EKX B OCT 1964 ->
EKX NOV 1937 ->
EKX MAY 1958 ->

FKX K MAR 1972 ->
FKX G SEP 1968 ->
FKX C JAN 1965 ->
FKX DEC 1938 ->
FKX SEP 1958 ->

GKX K APR 1972 ->
GKX G NOV 1968 ->
GKX C FEB 1965 ->
GKX MAY 1940 ->
GKX JAN 1959 ->

HKX K MAY 1972 ->
HKX G FEB 1969 ->
HKX C MAR 1965 ->
HKX APR 1945 ->
HKX APR 1959 ->

JKX K JUN 1972 ->
JKX G APR 1969 ->
JKX C MAY 1965 ->
JKX OCT 1946 ->
JKX JUL 1959 ->

KKX L AUG 1972 ->
KKX G MAY 1969 ->
KKX C JUL 1965 ->
KKX JUL 1947 ->
KKX OCT 1959 ->

KX MAR 1928 -> MAR 1933
KX APR 1963 ->

LKX L AUG 1972 ->
LKX H AUG 1969 ->
LKX C SEP 1965 ->
LKX JUN 1948 ->
LKX JAN 1960 ->

MKX L SEP 1972 ->
MKX H SEP 1969 ->
MKX D JAN 1966 ->
MKX JUN 1949 ->
MKX MAR 1960 ->

NKX D FEB 1966 ->
NKX FEB 1950 ->
NKX JUN 1960 ->

OKX L NOV 1972 ->
OKX H FEB 1970 ->
OKX D APR 1966 ->
OKX MAY 1951 ->

PKX H MAR 1970 ->
PKX D MAY 1966 ->
PKX APR 1952 ->
PKX SEP 1960 ->

RKX L FEB 1973 ->
RKX H MAY 1970 ->
RKX D JUL 1966 ->
RKX JAN 1953 ->
RKX NOV 1960 ->

SKX L MAR 1973 ->
SKX J AUG 1970 ->
SKX D OCT 1966 ->
SKX SEP 1953 ->
SKX FEB 1961 ->

TKX L APR 1973 ->
TKX J SEP 1970 ->
TKX E JAN 1967 ->
TKX APR 1954 ->
TKX MAY 1961 ->

UKX L MAY 1973 ->
UKX J NOV 1970 ->
UKX E FEB 1967 ->
UKX OCT 1954 ->
UKX JUL 1961 ->

VKX L JUN 1973 ->
VKX J DEC 1970 ->
VKX E APR 1967 ->
VKX MAR 1955 ->
VKX NOV 1961 ->

WKX M AUG 1973 ->
WKX J FEB 1971 ->
WKX E JUN 1967 ->
WKX JUL 1955 ->
WKX FEB 1962 ->

XKX M AUG 1973 ->
XKX J APR 1971 ->
XKX F AUG 1967 ->
XKX DEC 1955 ->
XKX MAY 1962 ->

YKX M SEP 1973 ->
YKX J JUN 1971 ->
YKX F OCT 1967 ->
YKX MAY 1956 ->
YKX JUL 1962 ->
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