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

OO series of older car registration numbers.

Registration letters >> OO series
This page lists registration number codes from the OO series, a series allocated to the Essex 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 GOO or TOO 512D would be a Essex-issued number. A car with just two letters, ie OO, would also be from this area. Listed below are the known OO 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.
OO Registrations - Essex.
Reg. Letters Year Letter Start -> End Date (if known)
AOO G AUG 1968 ->
AOO B JAN 1964 ->
AOO OCT 1961 ->
AOO FEB 1963 ->

BOO F JUN 1968 ->
BOO B FEB 1964 ->
BOO NOV 1961 ->
BOO FEB 1963 ->

COO G DEC 1968 ->
COO B MAR 1964 ->
COO JAN 1962 ->
COO FEB 1963 ->

DOO G APR 1969 ->
DOO B MAY 1964 ->
DOO FEB 1962 ->
DOO MAR 1963 ->

EOO H AUG 1969 ->
EOO FEB 1962 ->
EOO MAR 1963 ->

FOO H OCT 1969 ->
FOO B AUG 1964 ->
FOO FEB 1962 ->
FOO MAR 1963 ->

GOO H JAN 1970 ->
GOO B OCT 1964 ->
GOO MAR 1962 ->
GOO MAR 1963 ->

HOO H APR 1970 ->
HOO MAR 1962 ->
HOO MAR 1963 ->

JOO C JAN 1965 ->
JOO MAR 1962 ->
JOO APR 1963 ->

KOO J SEP 1970 ->
KOO C FEB 1965 ->
KOO MAR 1962 ->
KOO APR 1963 ->

LOO J DEC 1970 ->
LOO C APR 1965 ->
LOO APR 1962 ->
LOO APR 1963 ->

MOO J MAR 1971 ->
MOO C JUL 1965 ->
MOO APR 1962 ->
MOO APR 1963 ->

NOO C NOV 1965 ->
NOO APR 1962 ->
NOO APR 1963 ->

OO SEP 1961 -> APR 1962

OOO K AUG 1971 ->
OOO D JAN 1966 ->
OOO APR 1962 ->

POO K NOV 1971 ->
POO D APR 1966 ->
POO MAY 1962 ->
POO APR 1963 ->

ROO K JAN 1972 ->
ROO D JUN 1966 ->
ROO MAY 1962 ->
ROO MAY 1963 ->

SOO L AUG 1972 ->
SOO K MAR 1972 ->
SOO D NOV 1966 ->
SOO MAY 1962 ->
SOO MAY 1963 ->

TOO K MAY 1972 ->
TOO E APR 1967 ->
TOO MAY 1962 ->
TOO MAY 1963 ->

UOO L AUG 1972 ->
UOO E FEB 1967 ->
UOO JUN 1962 ->
UOO MAY 1963 ->

VOO L SEP 1972 ->
VOO JUN 1962 ->
VOO MAY 1963 ->

WOO L NOV 1972 ->
WOO F SEP 1967 ->
WOO JUN 1962 ->
WOO JUN 1963 ->

XOO L JAN 1973 ->
XOO F DEC 1967 ->
XOO JUN 1962 ->
XOO JUN 1963 ->

YOO L MAR 1973 ->
YOO F MAR 1968 ->
YOO JUL 1962 ->
YOO JUN 1963 ->
Return to the main vehicle registrations page.

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