Chapman Codes
England
- AVN Avon, England
- BDF Bedfordshire, England
- BKM Buckinghamshire, England
- BRK Berkshire, England
- CAM Cambridgeshire, England
- CHS Cheshire, England
- CLV Cleveland, England
- CMA Cumbria, England
- CON Cornwall, England
- CUL Cumberland, England
- DBY Derbyshire, England
- DEV Devon, England
- DOR Dorset, England
- DUR Co. Durham, England
- ENG England
- ERY East Riding of Yorkshire, England
- ESS Essex, England
- GLS Gloucestershire, England
- GTM Greater Manchester, England
- HAM Hampshire, England
- HEF Herefordshire, England
- HRT Hertfordshire, England
- HUM Humberside, England
- HUN Huntingdonshire, England
- HWR Hereford and Worcester, England
- IOM Isle of Man
- IOW Isle of Wight, England
- KEN Kent, England
- LAN Lancashire, England
- LEI Leicestershire, England
- LIN Lincolnshire, England
- LND London, England
- MDX Middlesex, England
- MSY Merseyside, England
- NBL Northumberland, England
- NFK Norfolk, England
- NRY North Riding of Yorkshire, England
- NTH Northamptonshire, England
- NTT Nottinghamshire, England
- NYK North Yorkshire, England
- OXF Oxfordshire, England
- RUT Rutland, England
Ireland
CAR Co. Carlow, Ireland CAV Co. Cavan, Ireland CLA Co. Clare, Ireland COR Co. Cork, Ireland DON Co. Donegal, Ireland DUB Co. Dublin, Ireland GAL Co. Galway, Ireland IRL Ireland KER Co. Kerry, Ireland KID Co. Kildare, Ireland KIK Co. Kilkenny, Ireland LET Co. Leitrim, Ireland LEX Co. Laois, Ireland LIM Co. Limerick, Ireland LOG Co. Longford, Ireland LOU Co. Louth, Ireland MAY Co. Mayo, Ireland MEA Co. Meath, Ireland MOG Co. Monaghan, Ireland OFF Co. Offaly, Ireland ROS Co. Roscommon, Ireland
Northern Ireland
ANT Co. Antrim, Northern Ireland ARM Co. Armagh, Northern Ireland DOW Co. Down, Northern Ireland FER Co. Fermanagh, Northern Ireland LDY Co. Londonderry, Northern Ireland NIR Northern Ireland
Scotland
ABD Aberdeenshire, Scotland ANS Angus, Scotland ARL Argyllshire, Scotland AYR Ayrshire, Scotland BAN Banffshire, Scotland BEW Berwickshire, Scotland BOR Borders, Scotland BUT Bute, Scotland CAI Caithness, Scotland CEN Central, Scotland CLK Clackmannanshire, Scotland DFS Dumfries-shire, Scotland DGY Dumfries and Galloway, Scotland DNB Dunbartonshire, Scotland ELN East Lothian, Scotland FIF Fife, Scotland GMP Grampian, Scotland HLD Highland, Scotland INV Inverness-shire, Scotland KCD Kincardineshire, Scotland KKD Kirkcudbrightshire, Scotland KRS Kinross-shire, Scotland LKS Lanarkshire, Scotland LTN Lothian, Scotland MLN Midlothian, Scotland MOR Morayshire, Scotland NAI Nairn, Scotland OKI Orkney, Scotland PEE Peebles-shire, Scotland PER Perth, Scotland RFW Renfrewshire, Scotland ROC Ross and Cromarty, Scotland ROX Roxburghshire, Scotland
Wales
AGY Anglesey, Wales BRE Breconshire, Wales CAE Caernarvonshire, Wales CGN Cardiganshire, Wales CMN Carmarthenshire, Wales CWD Clwyd, Wales DEN Denbighshire, Wales DFD Dyfed, Wales FLN Flintshire, Wales GLA Glamorgan, Wales GNT Gwent, Wales GWN Gwynedd, Wales MER Merionethshire, Wales MGM Mid Glamorgan, Wales MGY Montgomeryshire, Wales MON Monmouthshire, Wales PEM Pembrokeshire, Wales POW Powys, Wales RAD Radnorshire, Wales
ALD Alderney, Channel Islands
CHI Channel Islands (Sometimes just "CI")
GSY Guernsey, Channel Islands
JSY Jersey, Channel Islands