The Chapman Code
|
| ABD | Aberdeen |
| AGY | Anglesey |
| ALD | Alderney [Channel Islands] |
| ANS | Angus |
| ANT | Antrin |
| ARL | Argyll |
| ARM | Armagh |
| AYR | Ayr |
| BAN | Banff |
| BDF | Bedfordshire |
| BEW | Berwick |
| BKM | Buckinghamshire |
| BRE | Breconshire |
| BRK | Berkshire |
| BUT | Bute |
| CAE | Caernarvon |
| CAI | Caithness |
| CAM | Cambridgeshire |
| CAR | Carlow |
| CAV | Cavan |
| CGN | Cardiganshire |
| CHI | ChannelIslands |
| CHS | Cheshire |
| CLA | Clare |
| CLK | Clackmannan |
| CMN | Carmarthen |
| CON | Cornwall |
| COR | Cork |
| CUL | Cumberland |
| DBY | Derbyshire |
| DEN | Denbighshire |
| DEV | Devon |
| DFS | Dumfries |
| DNB | Dumbarton |
| DON | Donegal |
| DOR | Dorset |
| DOW | Down |
| DRY | Derry |
| DUB | Dublin |
| DUR | Durham |
| ELN | East Lothian |
| ENG | England |
| ERY | Yorkshire [East Riding] |
| ESS | Essex |
| FER | Fermanagh |
| FIF | Fife |
| FLN | Flintshire |
| GAL | Galway |
| GLA | Glamorgan |
| GLS | Gloucestershire |
| GSY | Guernsey [Channel Islands] |
| HAM | Hampshire |
| HEF | Herefordshire |
| HRT | Hertfordshire |
| HUN | Huntingdonshire |
| INV | Inverness |
| IOM | Isle of Man |
| IOW | Isle of Wight |
| IRE | Brecknocks |
| IRL | Ireland |
| JEY | Jersey [Channel Islands] |
| KCD | Kincardine |
| KEN | Kent |
| KER | Kerry |
| KID | Kildare |
| KIK | Kilkenny |
| KKD | Kirkcudbright |
| KRS | Kinross |
| LAN | Lancashire |
| LDY | Londonderry |
| LEI | Leicestershire |
| LET | Leitrim |
| LEX | Leix [Queens] |
| LIM | Limerick |
| LIN | Lincolnshire |
| LKS | Lanark |
| LND | London |
| LOG | Longford |
| LOU | Louth |
| MAY | Mayo |
| MDX | Middlesex |
| MEA | Meath |
| MER | Merioneth |
| MGY | Montgomeryshire |
| MLN | Midlothian |
| MOG | Monaghan |
| MON | Monmouthshire |
| MOR | Moray |
| NAI | Nairn |
| NBL | Northumberland |
| NFK | Norfolk |
| NRY | Yorkshire [North Riding] |
| NTH | Northamptonshire |
| NTT | Nottinghamshire |
| OFF | Offaly [Kings] |
| OKI | Orkney Isles |
| OXF | Oxfordshire |
| PEE | Peebles |
| PEM | Pembroke |
| PER | Perth |
| RAD | Radnorshire |
| RFW | Renfrew |
| ROC | Ross & Cromarty |
| ROS | Roscommon |
| ROX | Roxburgh |
| RUT | Rutland |
| SAL | Shropshire |
| SCT | Scotland |
| SEL | Selkirk |
| SFK | Suffolk |
| SHI | Shetland |
| SLI | Sligo |
| SOM | Somerset |
| SRK | Sark [Channel Islands] |
| SRY | Surrey |
| SSX | Sussex |
| STI | Stirling |
| STS | Staffordshire |
| SUT | Sutherland |
| TIP | Tipperary |
| TYR | Tyrone |
| WAR | Warwickshire |
| WAT | Waterford |
| WEM | Westmeath |
| WES | Westmoreland |
| WEX | Wexford |
| WIC | Wicklow |
| WIG | Wigtown |
| WIL | Wiltshire |
| WLN | WestLothian |
| WLS | Wales |
| WOR | Worcestershire |
| WRY | Yorkshire [West Riding] |
| YKS | Yorkshire [Ainsty & City of York] |