The following are the index-marks in use in the United Kingdom:
ENGLAND AND WALES
| ENGLAND AND WALES |
|---|
Index- Mark. Locale. |
| A | London (also LB, LC and LN) |
| AA | Southampton County Council |
| AB | Worcestershire |
| AC | Warwickshire |
| AD | Gloucestershire |
| AE | Bristol |
| AF | Cornwall |
| AH | Norfolk |
| AJ | Yorkshire, N. Riding |
| AK | Bradford |
| AL | Nottinghamshire |
| AM | Wiltshire |
| AN | West Ham |
| AO | Cumberland |
| AP | Sussex, East |
| AR | Hertfordshire |
| AT | Kingston-on-Hull |
| AU | Nottingham |
| AW | Shropshire |
| AX | Monmouthshire |
| AY | Leicestershire |
| B | Lancashire |
| BA | Salford |
| BB | Newcastle-on-Tyne |
| BC | Leicester |
| BD | Northamptonshire |
| BE | Lindsey |
| BF | Dorsetshire (also FX) |
| BH | Buckinghamshire |
| BJ | Suffolk, East |
| BK | Portsmouth |
| BL | Berkshire |
| BM | Bedfordshire |
| BN | Bolton |
| BO | Cardiff |
| BP | Sussex, West |
| BR | Sunderland |
| BT | Yorkshire, East Riding |
| BU | Oldham |
| BW | Oxfordshire |
| BX | Carmarthenshire |
| BY | Croydon |
| C | Yorkshire, West Riding |
| CA | Denbighshire |
| CB | Blackburn |
| CC | Carnarvonshire |
| CD | Brighton |
| CE | Cambridgeshire |
| CF | Suffolk, West |
| CH | Derby |
| CJ | Herefordshire |
| CK | Preston |
| CL | Norwich |
| CM | Birkenhead |
| CN | Gateshead |
| CO | Plymouth |
| CP | Halifax |
| CR | Southampton Borough |
| CT | Kesteven |
| CU | South Shields |
| CW | Burnley |
| CX | Huddersfield |
| CY | Swansea |
| D | Kent |
| DA | Wolverhampton |
| DB | Stockport |
| DC | Middlesbrough |
| DE | Pembrokeshire |
| DF | Northampton Borough (also NH) |
| DH | Walsall |
| DJ | St. Helens | |
| DK | Rochdale |
| DL | Isle of Wight |
| DM | Flintshire |
| DN | York |
| DO | Holland, Lincs. |
| DP | Reading |
| DR | Devonport |
| DU | Coventry |
| DW | Newport, Mon. |
| DX | Ipswich |
| DY | Hastings |
| E | Staffordshire |
| EA | West Bromwich |
| EB | Isle of Ely |
| EC | Westmorland |
| ED | Warrington |
| EE | Grimsby |
| EF | West Hartlepool |
| EH | Hanley |
| EJ | Cardiganshire |
| EK | Wigan |
| EL | Bournemouth |
| EM | Bootle |
| EN | Bury |
| EO | Barrow-in-Furness |
| EP | Montgomeryshire |
| ET | Rotherham |
| EU | Breckonshire |
| EW | Huntingdonshire |
| EX | Great Yarmouth |
| EY | Anglesey |
| F | Essex |
| FA | Burton-on-Trent |
| FB | Bath |
| FC | Oxford |
| FD | Dudley |
| FE | Lincoln |
| FF | Merionethshire |
| FH | Gloucester |
| FJ | Exeter |
| FK | Worcester |
| FL | Peterborough |
| FM | Chester |
| FN | Canterbury |
| FO | Radnorshire |
| FP | Rutlandshire |
| FR | Blackpool |
| FT | Tynemouth |
| FX | Dorsetshire (also BF) |
| FY | Southport |
| H | Middlesex |
| HA | Smethwick |
| J | Durham, County |
| K | Liverpool |
| L | Glamorganshire |
| LB | London (also A) |
| LC | “ |
| LN | “ |
| M | Cheshire |
| MN | Isle of Man |
| N | Manchester |
| NH | Northampton (also DF) |
| O | Birmingham |
| P | Surrey |
| R | Derbyshire |
| T | Devonshire |
| U | Leeds |
| W | Sheffield |
| X | Northumberland |
| Y | Somersetshire |
SCOTLAND
All cars bearing on their index-marks the letter S can, at a glance, be put down as Scottish, for Scotland alone has a right to the use of this letter:
Index- Mark. Locale. |
| AS | Nairnshire |
| BS | Orkney |
| DS | Peeblesshire |
| ES | Perthshire |
| G | Glasgow |
| HS | Renfrewshire |
| JS | Ross and Cromarty |
| KS | Roxburghshire |
| LS | Selkirkshire |
| MS | Stirlingshire |
| NS | Sutherlandshire |
| OS | Wigtownshire |
| PS | Shetland |
| RS | Aberdeen City |
| S | Edinburgh |
| SA | Aberdeen County |
| SB | Argyllshire |
| SD | Ayrshire |
| SE | Banffshire |
| SH | Berwickshire |
| SJ | Buteshire |
| SK | Caithness-shire |
| SL | Clackmannanshire |
| SM | Dumfriesshire |
| SN | Dumbartonshire |
| SO | Elginshire |
| SP | Fifeshire |
| SR | Forfarshire |
| SS | Haddingtonshire |
| ST | Inverness-shire |
| SU | Kincardineshire |
| SV | Kinross-shire |
| SW | Kircudbrightshire |
| SX | Linlithgowshire |
| SY | Midlothian |
| TS | Dundee |
| US | Govan |
| V | Lanarkshire |
| VS | Greenock |
| WS | Leith |
| XS | Paisley |
| YS | Partick |
IRELAND
The inclusion of the letter I on a car’s index-mark stamps that car at once as Irish, for the use of this letter is confined to Ireland: