Where in the UK was my registration number issued?

If you want to discover the issuing region for your suffix or prefix registration, refer to the list below.

For a PREFIX style registration mark you need to check against the last two digits of the registration:
P416 DAV would have been issued in Cambridge.

For a SUFFIX style registration mark you need to check against the last two digits of the first 3 letters on the registration:
MEL 170N would have been issued in Bournemouth.

AA – Salisbury
AB – Worcester
AC – Coventry
AD – Gloucester
AE – Bristol
AF – Truro
AG – Hull
AH – Norwich
AJ – Yorkshire North Riding
AK – Sheffield
AL – Nottingham
AM – Swindon
AN – Reading
AO – Carlisle
AP – Brighton
AR – Chelmsford
AS – Inverness
AT – Hull
AU – Nottingham
AV – Cambridge
AW – Shrewsbury
AX – Cardiff
AY – Leicester
BA – Newcastle
BB – Newcastle
BC – Leicester
BD – Northampton
BE – Grimsby
BF – Stoke
BG – Liverpool
BH – Luton
BJ – Ipswich
BK – Portsmouth
BL – Reading
BM – Luton
BN – Bolton
BO – Cardiff
BP – Portsmouth
BR – Durham
BS – Kirkwall
BT – York
BU – Manchester
BV – Preston
BW – Oxford
BX – Haverfordwest
BY – London NW
CA – Chester
CB – Bolton
CC – Bangor
CD – Brighton
CE – Cambridge
CF – Reading
CG – Salisbury
CH – Nottingham
CJ – Hereford
CK – Preston
CL – Norwich
CM – Liverpool
CN – Newcastle
CO – Plymouth
CP – Huddersfield
CR – Portsmouth
CS – Ayr
CT – Boston
CU – Newcastle
CV – Truro
CW – Preston
CX – Huddersfield
CY – Swansea
DA – Birmingham
DB – Manchester
DC – Middlesbrough
DD – Gloucester
DE – Haverfordwest
DF – Gloucester
DG – Gloucester
DH – Dudley
DJ – Warrington
DK – Bolton
DL – Newport IOW
DM – Chester
DN – York
DO – Boston
DP – Reading
DR – Plymouth
DS – Glasgow
DT – Sheffield
DU – Coventry
DV – Exeter
DW – Cardiff
DX – Ipswich
DY – Hastings
EA – Dudley
EB – Cambridge
EC – Kendal
ED – Warrington
EE – Grimsby
EF – West Hartlepool
EG – Peterborough
EH – Stoke
EJ – Aberystwyth
EL – Bournemouth
EM – Liverpool
EN – Bolton
EO – Barrow
EP – Swansea
ER – Cambridge
ES – Dundee
ET – Sheffield
EU – Bristol
EV – Chelmsford
EW – Peterborough
EX – Norwich
EY – Bangor
FA – Stoke
FB – Bristol
FC – Oxford
FD – Dudley
FE – Lincoln
FF – Aberystwyth
FG – Brighton
FH – Gloucester
FJ – Exeter
FK – Dudley
FL – Peterborough
FM – Chester
FN – Canterbury
FO – Hereford
FP – Leicester
FR – Preston
FS – Edinburgh
FT – Newcastle
FU – Grimsby
FV – Preston
FW – Lincoln
FX – Bournemouth
FY – Liverpool
GA – Glasgow
GB – Glasgow
GC – London SW
GD – Glasgow
GE – Glasgow
GF – London SW
GG – Glasgow
GH – London SW
GJ – London SW
GK – London SW
GL – Truro
GM – Reading
GN – London SW
GO – London SW
GP – London SW
GR – Durham
GS – Luton
GT – London SW
GU – London
GV – Ipswich
GW – London SE
GX – London
GY – London
HA – Dudley
HB – Cardiff
HC – Hastings
HD – Huddersfield
HE – Sheffield
HF – Liverpool
HG – Preston
HH – Carlisle
HJ – Chelmsford
HK – Chelmsford
HL – Sheffield
HM – London Central
HN – Darlington
HO – Salisbury
HP – Coventry
HR – Swindon
HS – Glasgow
HT – Bristol
HU – Bristol
HV – London Central
HW – Bristol
HX – London Central
HY – Bristol
JA – Manchester
JB – Reading
JC – Bangor
JD – London Central
JE – Cambridge
JF – Leicester
JG – Canterbury
JH – Reading
JJ – Canterbury
JK – Hastings
JL – Boston
JM – Reading
JN – Chelmsford
JO – Oxford
JP – Warrington
JR – Newcastle
JS – Stornoway
JT – Bournemouth
JU – Leicester
JV – Grimsby
JW – Birmingham
JX – Huddersfield
JY – Plymouth
KA – Liverpool
KB – Liverpool
KC – Liverpool
KD – Liverpool
KE – Maidstone
KF – Liverpool
KG – Cardiff
KH – Hull
KJ – Maidstone
KK – Maidstone
KL – Maidstone
KM – Maidstone
KN – Maidstone
KO – Maidstone
KP – Maidstone
KR – Maidstone
KS – Selkirk
KT – Canterbury
KU – Sheffield
KV – Coventry
KW – Sheffield
KX – Luton
KY – Sheffield
LA – London NW
LB – London NW
LC – London NW
LD – London NW
LE – London NW
LF – London NW
LG – Chester
LH – London NW
LJ – Bournemouth
LK – London NW
LL – London NW
LM – London NW
LN – London NW
LO – London NW
LP – London NW
LR – London NW
LS – Stirling
LT – London NW
LU – London NW
LV – Liverpool
LW – London NW
LX – London NW
LY – London NW
MA – Chester
MB – Chester
MC – London NE
MD – London NE
ME – London NE
MF – London NE
MG – London NE
MH – London NE
MJ – Luton
MK – London NE
ML – London NE
MM – London NE
MO – Reading
MP – London NE
MR – Swindon
MS – Stirling
MT – London NE
MU – London NE
MV – London SE
MW – Swindon
MX – London SE
MY – London SE
NA – Manchester
NB – Manchester
NC – Manchester
ND – Manchester
NE – Manchester
NF – Manchester
NG – Norwich
NH – Northampton
NJ – Brighton
NK – Luton
NL – Newcastle
NM – Luton
NN – Nottingham
NO – Chelmsford
NP – Worcester
NR – Leicester
NS – Glasgow
NT – Shrewsbury
NU – Nottingham
NV – Northampton
NW – Leeds
NX – Dudley
NY – Cardiff
OA – Birmingham
OB – Birmingham
OC – Birmingham
OD – Exeter
OE – Birmingham
OF – Birmingham
OG – Birmingham
OH – Birmingham
OJ – Birmingham
OK – Birmingham
OL – Birmingham
OM – Birmingham
ON – Birmingham
OO – Chelmsford
OP – Birmingham
OR – Portsmouth
OS – Stranraer
OT – Portsmouth
OU – Bristol
OV – Birmingham
OW – Portsmouth
OX – Birmingham
OY – London NW
PA – Guildford
PB – Guildford
PC – Guildford
PD – Guildford
PE – Guildford
PF – Guildford
PG – Guildford
PH – Guildford
PJ – Guildford
PK – Guildford
PL – Guildford
PM – Guildford
PN – Brighton
PO – Portsmouth
PP – Luton
PR – Bournemouth
PS – Lerwick
PT – Newcastle
PU – Chelmsford
PV – Ipswich
PW – Norwich
PX – Portsmouth
PY – Yorkshire North Riding
RA – Nottingham
RB – Nottingham
RC – Nottingham
RD – Reading
RE – Stoke
RF – Stoke
RG – Newcastle
RH – Hull
RJ – Manchester
RK – London NW
RL – Truro
RM – Carlisle
RN – Preston
RO – Luton
RP – Northampton
RR – Nottingham
RS – Aberdeen
RT – Ipswich
RU – Bournemouth
RV – Portsmouth
RW – Coventry
RX – Reading
RY – Leicester
SA – Aberdeen
SB – Oban
SC – Edinburgh
SD – Ayr
SE – Keith
SF – Edinburgh
SG – Edinburgh
SH – Selkirk
SJ – Ayr
SK – Wick
SL – Dundee
SM – Dumfries
SN – Dundee
SO – Aberdeen
SP – Dundee
SR – Dundee
SS – Aberdeen
ST – Inverness
SU – Glasgow
SW – Dumfries
SX – Edinburgh
TA – Exeter
TB – Warrington
TC – Bristol
TD – Bolton
TE – Bolton
TF – Reading
TG – Cardiff
TH – Swansea
TJ – Liverpool
TK – Plymouth
TL – Lincoln
TM – Luton
TN – Newcastle
TO – Nottingham
TP – Portsmouth
TR – Portsmouth
TS – Dundee
TT – Exeter
TU – Chester
TV – Nottingham
TW – Chelmsford
TX – Cardiff
TY – Newcastle
UA – Leeds
UB – Leeds
UC – London Central
UD – Oxford
UE – Dudley
UF – Brighton
UG – Leeds
UH – Cardiff
UJ – Shrewsbury
UK – Birmingham
UL – London Central
UM – Leeds
UN – Barnstaple
UO – Barnstaple
UP – Newcastle
UR – Luton
US – Glasgow
UT – Leicester
UU – London Central
UV – London Central
UW – London Central
UX – Shrewsbury
UY – Worcester
VA – Cambridge
VB – Canterbury
VC – Coventry
VD – Luton
VE – Peterborough
VF – Norwich
VG – Norwich
VH – Huddersfield
VJ – Hereford
VK – Newcastle
VL – Lincoln
VM – Manchester
VN – Yorkshire North Riding
VO – Nottingham
VP – Birmingham
VR – Manchester
VS – Luton
VT – Stoke
VU – Manchester
VV – Northampton
VW – Chelmsford
VX – Chelmsford
VY – York
WA – Sheffield
WB – Sheffield
WC – Chelmsford
WD – Dudley
WE – Sheffield
WF – Sheffield
WG – Sheffield
WH – Bolton
WJ – Sheffield
WK – Coventry
WL – Oxford
WM – Liverpool
WN – Swansea
WO – Cardiff
WP – Worcester
WR – Leeds
WS – Bristol
WT – Leeds
WU – Leeds
WV – Brighton
WW – Leeds
WX – Leeds
WY – Leeds
YA – Taunton
YB – Taunton
YC – Taunton
YD – Taunton
YE – London Central
YF – London Central
YG – Leeds
YH – London Central
YJ – Brighton
YK – London Central
YL – London Central
YM – London Central
YN – London Central
YO – London Central
YP – London Central
YR – London Central
YS – Glasgow
YT – London Central
YU – London Central
YV – London Central
YW – London Central
YX – London Central
YY – London Central