Chapman Codes - The World
| Country | State / County / Region | Code |
| Australia | AUS | |
| Australia | Australian Capital Territory | ACT |
| Australia | New South Wales | NSW |
| Australia | Northern Territory | NT |
| Australia | Queensland | QLD |
| Australia | South Australia | SA |
| Australia | Tasmania | TAS |
| Australia | Victoria | VIC |
| Australia | Western Australia | WA |
| Austria | OES | |
| Austria | Böhmen [Bohemia] | BOH |
| Austria | Burgenland | BUR |
| Austria | Austria Kärnten [Carynthia] | KAR |
| Austria | Krain [Carniola] | KRA |
| Austria | Mähren [Moravia] | MAE |
| Austria | Niederösterreich [Lower Austria] | NOE |
| Austria | Austria Oberösterreich [Upper Austria] | OOE |
| Austria | Austria Salzburg | SLZ |
| Austria | Schlesien [Silesia] | SCI |
| Austria | Steirmark [Styria] | SLZ |
| Austria | Tirol [Tyrolia] | TIR |
| Austria | Vorarlberg | VOR |
| Austria | Wien [Vienna] | WIE |
| Baden | BAD | |
| Baden Breisgau | BRS | |
| Bavaria | Franken [Franconia] | FRN |
| Bavaria | Oberpfalz [Upper Palatinate] | OBP |
| Bavaria | Pfalz [Palatinate] | PFA |
| Bavaria | [Bayern] | BAY |
| Belgium | BEL | |
| Belgium | Antwerpen | ATW |
| Belgium | Brabant | BBT |
| Belgium | Hainaut | HNT |
| Belgium | Liège | LGE |
| Belgium | Limburg | LBG |
| Belgium | Luxembourg | LXM |
| Belgium | Namur | NMR |
| Belgium | Oost-Vlaanderen | OVL |
| Belgium | West-Vlaanderen | WVL |
| Brunswick [Braunschweig] | BRU | |
| Bulgaria | BGR | |
| Canada | CAN | |
| Canada | Alberta | ALB |
| Canada | British Columbia | BC |
| Canada | Manitoba | MAN |
| Canada | New Brunswick | NB |
| Canada | Newfoundland | NFD |
| Canada | Nova Scotia | NS |
| Canada | NW Territories | NWT |
| Canada | Ontario | ONT |
| Canada | Prince Edward Island | PEI |
| Canada | Quebec | QUE |
| Canada | Saskatchewan | SAS |
| Canada | Yukon | YUK |
| Channel Islands | CHI or CHA | |
| Channel Islands | Alderney | ALD |
| Channel Islands | Guernsey | GSY |
| Channel Islands | Jersey | JEY |
| Channel Islands | Sark | SRK |
| Czechoslavakia | CS | |
| Denmark | DEN | |
| East Prussia [Ostpreussen] | OPRU | |
| England | ENG | |
| England | Bedfordshire |
BDF |
| England | England Berkshire | BRK |
| England | Buckinghamshire |
BKM |
| England | Cambridgeshire | CAM |
| England | Cheshire |
CHS |
| England | Cornwall | CON |
| England | Cumberland |
CUL |
| England | Derbyshire | DBY |
| England | Devon | DEV |
| England | Dorset |
DOR |
| England | Durham | DUR |
| England | Essex | ESS |
| England | Gloucestershire | GLS |
| England | Hampshire [Hants] | HAM |
| England | Herefordshire | HER |
| England | Hertfordshire | HRT |
| England | Huntingdonshire | HUN |
| England | Isle of Wight | IOW |
| England | Kent | KEN |
| England | Lancashire | LAN |
| England | Leicestershire | LEI or LEC |
| England | Lincolnshire | LIN |
| England | Middlesex | MDX |
| England | Norfolk | NFK |
| England | Northamptonshire | NTH |
| England | Northumberland | NBL |
| England | Nottinghamshire | NTT |
| England | Oxfordshire | OXF |
| England | Rutland | RUT |
| England | Shropshire [Salop] | SAL |
| England | Somerset | SOM |
| England | Staffordshire | STS |
| England | Suffolk | SFK |
| England | Surrey | SRY |
| England | Sussex |
SSX |
| England | Warwickshire | WAR |
| England | Westmoreland | WES |
| England | Wiltshire | WIL |
| England | Worcestershire | WOR |
| England | Yorkshire [Ainsty & City of York] | YKS |
| England | Yorkshire [East Riding] | ERY |
| England | Yorkshire [North Riding] | NRY |
| England | Yorkshire [West Riding] | WRY |
| Finland | FIN | |
| France | FRA | |
| France | Ain | RHA |
| France | Aisne | PIC |
| France | Allier | AUV |
| France | Alpes-de-Haute-Provence | PCA |
| France | Alpes-Maritimes | PCA |
| France | Alsace | ALS |
| France | Alsace [Elsass] | ELS |
| France | Aquitaine | AQU |
| France | Ardèche | RHA |
| France | Ardennes | CHA |
| France | Arège | MP |
| France | Aube | CHA |
| France | Aude | LGD |
| France | Auvergne | AUV |
| France | Aveyron | MP |
| France | Bas-Rhin | ALS |
| France | Bouches-du-Rhône | PCA |
| France | Bourgogne | BRG |
| France | Bretagne | BRT |
| France | Bas-Rhin | ALS |
| France | Bourgogne | BRG |
| France | Bretagne | BRT |
| France | Calvados | BN |
| France | Cantal | AUV |
| France | Centre | CEN |
| France | Champagne | CHA |
| France | Charente | PCH |
| France | Charente-Maritime | PCH |
| France | Cher | CEN |
| France | Cor-du-Sud | CR |
| France | Corrèze | LMS |
| France | Corse | CRS |
| France | Côte-d'or | BRG |
| France | Côtes-du-Nord | BRT |
| France | Creuse | LMS |
| France | Deux-Sèvres | PCH |
| France | Doubs | FC |
| France | Drôme | RHA |
| France | Essone | RPA |
| France | Eure | HN |
| France | Eure-et-Loir | CEN |
| France | Finistère | BRT |
| France | Franche-Conte | FC |
| France | Gard | LGD |
| France | Gers | MP |
| France | Gironde | AQU |
| France | Haut-Rhin | ALS |
| France | Haute-Corse | CR |
| France | Haute-Garonne | MP |
| France | Haute-Loire | AUW |
| France | Haute-Marne | CHA |
| France | Haute-Saöne | FC |
| France | Haute-Savoie | RHA |
| France | Haute-Vienne | LMS |
| France | Hautes-Alpes | PCA |
| France | Hautes-Pyrénées | MP |
| France | Hauts-de-Seine | RPA |
| France | Hérault | LGD |
| France | Ille-et-Vilaine | BRT |
| France | Isère | RPA |
| France | Jura | FC |
| France | Landes | AQU |
| France | Languedoc | LGD |
| France | Limousia | LMS |
| France | Loire | RHA |
| France | Loire-Atlantique | PL |
| France | Loiret | CEN |
| France | Loit-et-Cher | CEN |
| France | Lorraine | LOR |
| France | Lot | MP |
| France | Lot-et-Garonne | AQU |
| France | Lozère | LGD |
| France | Maine-et-Loire | PL |
| France | Manche | BN |
| France | Marne | CHA |
| France | Mayenne | PL |
| France | Meurthe-et-Moselle | LOR |
| France | Meuse | LOR |
| France | Midi-Pyrénées | MP |
| France | Morbihan | BRT |
| France | Moselle | LOR |
| France | Niévre | BRG |
| France | Nord | NOR |
| France | Normandie [Basse] | BN |
| France | Normandie [Haute] | HN |
| France | Oise | PIC |
| France | Orne | BN |
| France | Paris | RPA |
| France | Pas-de-Calais | NOR |
| France | Pay-de-Dôme | AUV |
| France | Pays de la Loire | PL |
| France | Picardie | PIC |
| France | Poitou-Charentes | PCH |
| France | Provence-Cote d'Azur | PCA |
| France | Pyrénées-Atlantiques | AQU |
| France | Pyrénées-Orientales | AQU |
| France | Region Parisienne | RPA |
| France | Rhône | RHA |
| France | Rhône-Alpes | RHA |
| France | Saône-et-Loire | BRG |
| France | Sarthe | PL |
| France | Savoie | RHA |
| France | Seine-et-Marne | RPA |
| France | Seine-Maritime | HN |
| France | Seine-St-Denis | RPA |
| France | Somme | PIC |
| France | Tarn | MP |
| France | Tarn-et-Garonne | MP |
| France | Territoire de Belfort | FC |
| France | Val-d'Oise | RPA |
| France | Val-de-Marne | RPA |
| France | Var | PCA |
| France | Vaucluse | PCA |
| France | Vendée | PL |
| France | Vienne | PCH |
| France | Vosges | LOR |
| France | Yonne | BRG |
| France | Yvelines | RPA |
| German Old Empire | GER | |
| German Old Empire | Anhalt | ANH |
| German Old Empire | Anhalt-Bernburg (1863) | ANB |
| German Old Empire | Anhalt-Dessau (1863) | AND |
| German Old Empire | Anhalt-Köthen (1847) | ANK |
| German Old Empire | Baden | BAD |
| German Old Empire | Bayern [Bavaria] | BAV |
| German Old Empire | Berlin | BLN |
| German Old Empire | Brandenburg | BRA |
| German Old Empire | Braunschweig [Brunswick] | BSW |
| German Old Empire | Bremen | BRM |
| German Old Empire | Elsass-Lothr [Alsace-Lorraine] | ELO |
| German Old Empire | Ghzm Hessen [Grand Dukedom Hesse] | GHE |
| German Old Empire | Hamburg | HBG |
| German Old Empire | Hanover | HAN |
| German Old Empire | Hessen-Nassau | HEN |
| German Old Empire | Hohenzollern | HOH |
| German Old Empire | Kgr Sachsen [Kingdom Saxony] | KSA |
| German Old Empire | Lippe | LIP |
| German Old Empire | Lübeck | LUE |
| German Old Empire | M-Schwerin | MSW |
| German Old Empire | M-Streliz | MST |
| German Old Empire | Mecklenburg | MEK |
| German Old Empire | Oldenburg | OLD |
| German Old Empire | Ostpreussen [East Prussia] | OPR |
| German Old Empire | Pommern [Pommerania] | POM |
| German Old Empire | Posen | POS |
| German Old Empire | Preussen allg [Prussia] | PRE |
| German Old Empire | Province Sachsen [Province Saxony] | PSA |
| German Old Empire | Pyrmont | PYR |
| German Old Empire | Reuss | REU |
| German Old Empire | Rheinprovinz | RPR |
| German Old Empire | Sachsen-Altenburg | SAB |
| German Old Empire | Sachsen-Coburg-Gotha | SCG |
| German Old Empire | Sachsen-Meinigen | SME |
| German Old Empire | Sachsen-Rudolstadt | SRU |
| German Old Empire | Sachsen-Sondershausen | SSD |
| German Old Empire | Sachsen-Weimar | SWE |
| German Old Empire | Schaumburg-Lippe | SLP |
| German Old Empire | Schlesien [Silesia] | SIL |
| German Old Empire | Schleswig-Holstein | SHO |
| German Old Empire | Thuringen | THU |
| German Old Empire | Waldeck | WAL |
| German Old Empire | Westfalen | WEF |
| German Old Empire | Westpreussen [West Prussia] | WPR |
| German Old Empire | Württemburg | WUE |
| Germany | East | DDR |
| Germany | East Berlin | BLO |
| Germany | East Cottbus | COT |
| Germany | East Desden | DRE |
| Germany | East Erfurt | ERF |
| Germany | East Frankfurt/Oder | FFO |
| Germany | East Gera | GRA |
| Germany | East Halle | HAL |
| Germany | East Karl-Marx-Stadt | KMS |
| Germany | East Leipzig | LPZ |
| Germany | East Magdeburg | MAG |
| Germany | East Neubrandenburg | NBR |
| Germany | East Potsdam | POT |
| Germany | East Rostock | RST |
| Germany | East Schwerin | SWR |
| Germany | East Suhl | SUH |
| Germany | West | BRD |
| Germany | West Baden-Württemburg | BAW |
| Germany | West Bayern | BAY |
| Germany | West Bremen | BRM |
| Germany | West Hamburg | HBG |
| Germany | West Hessen [Hesse] | HES |
| Germany | West Niedersachsen | NSA |
| Germany | West Nordrhein-Westfalen Nth Rhine-Westfalia] | NRW |
| Germany | West Rheinland-Pfalz [Rhineland-Palatinale] | RPF |
| Germany | West Saarland | SAA |
| Germany | West Schleswig-Holstein | SHO |
| Germany | West West Berlin | BLW |
| Germany post Wall | DEU | |
| Greece | GR | |
| Hanover [Hannover] | HAN | |
| Hesse | Hessen-Darmsatdt [Hesse-Darmstadt] | HD |
| Hesse | Hessen-Homburg (1817) | HOM |
| Hesse | Hessen-Kassel/Kurhessen Hesse-Kassel/Electorate HK Hesse [Hessen] |
HES |
| Holstein |
HOS | |
| Hungary | HU | |
| Ireland | IRL | |
| Ireland | Antrin | ANT |
| Ireland | Armagh | ARM |
| Ireland | Carlow | CAR |
| Ireland | Cavan | CAV |
| Ireland | Clare | CLA |
| Ireland | Cork | COR |
| Ireland | Derry | DRY |
| Ireland | Donegal | DON |
| Ireland | Down | DOW |
| Ireland | Dublin | DUB |
| Ireland | Fermanagh | FER |
| Ireland | Galway | GAL |
| Ireland | Kerry | KER |
| Ireland | Kildare | KID |
| Ireland | Kilkenny | KIK |
| Ireland | Leitrim | LET |
| Ireland | Leix [Queens] | LEX |
| Ireland | Limerick | LIM |
| Ireland | Londonderry | LDY |
| Ireland | Longford | LOG |
| Ireland | Louth | LOU |
| Ireland | Mayo | MAY |
| Ireland | Meath | MEA |
| Ireland | Monaghan | MOG |
| Ireland | Offaly [Kings] | OFF |
| Ireland | Roscommon | ROS |
| Ireland | Sligo | SLI |
| Ireland | Tipperary | TIP |
| Ireland | Tyrone | TYR |
| Ireland | Waterford | WAT |
| Ireland | Westmeath | WEM |
| Ireland | Wexford | WEX |
| Ireland | Wicklow | WIC |
| Isle of Man | IOM | |
| Italy | ITL | |
| Lauenburg | LAU | |
| Liechtenstein | FLI | |
| Lorraine [Lothringen] | LOT | |
| Luxembourg [Luxemburg] | LUX | |
| Mecklenburg | MEC | |
| Mecklenburg | Mecklenburg-Schwerin | MSC |
| Mecklenburg | Mecklenburg-Strelitz | MST |
| Nassau | Nassau-Usingen (1816) Nassau Nassau-Weilburg (1816) Nassau (1849) | NAS |
| Netherlands | NL | |
| New Zealand | NZ | |
| Norway | NOR | |
| Oldenburg | OLD | |
| Poland | POL | |
| Portugal | PRT | |
| Prussia [Preussen] | PRU | |
| Prussia | Brandenburg | BRG |
| Prussia | Hinterpommern[Further Pomerania] Prussia Neuenberg/Neuchatel
(1857 then Swiss) Prussia Niederschlesien [Lower Silesia] Prussia Oberschlesien [Upper Silesia] Prussia Pommern [Pomerania] |
POM |
| Prussia | Posen | POS |
| Prussia | Provinz Sachsen [Saxony] | SAC |
| Prussia | Rheinland [Rhineland] | RHE |
| Prussia | Schlesien [Silesia] | SCI |
| Prussia | Schwedisch Pommern [Swedish Pomerania] Prussia Stadt Berlin [Berlin City] | BER |
| Prussia | Vorpommern [Hither Pomerania] Prussia Westfalen [Westphalia] | WFA |
| Reuss | RES | |
| Reuss | Reuss-Ebersdorf (1848) (Jüngere Linie) | JL |
| Reuss | Reuss-Greiz (Altere Linie) | AL |
| Reuss | Reuss-Lobenstein (1824) (Jüngere Linie) | JL |
| Romania | RO | |
| Russia | RUS | |
| Saxony [Kingdom of] | [Sachsen Kgr] | SAC |
| Schleswig-Holstien | SCN | |
| Schleswig-Holstien | Schleswig | SCL |
| Schwarzburg | SCH | |
| Schwarzburg | Schwarzburg-Rudolstadt | RUD |
| Schwarzburg | Schwarzburg-Sondershausen | SON |
| Scotland | SCT | |
| Scotland | Aberdeen | ABD |
| Scotland | Angus | ANS |
| Scotland | Argyll | ARL |
| Scotland | Ayr | AYR |
| Scotland | Banff | BAN |
| Scotland | Berwick | BEW |
| Scotland | Bute | BUT |
| Scotland | Caithness | CAI |
| Scotland | Clackmannan | CLK |
| Scotland | Dumbarton | DNB |
| Scotland | Dumfries | DFS |
| Scotland | East Lothian | ELN |
| Scotland | Fife | FIF |
| Scotland | Inverness | INV |
| Scotland | Kincardine | KCD |
| Scotland | Kinross | KRS |
| Scotland | Kirkcudbright | KKD |
| Scotland | Lanark | LKS |
| Scotland | Midlothian | MLN |
| Scotland | Moray | MOR |
| Scotland | Nairn | NAI |
| Scotland | Orkney Isles | OKI |
| Scotland | Peebles | PEE |
| Scotland | Perth | PER |
| Scotland | Renfrew | RFW |
| Scotland | Ross & Cromarty | ROC |
| Scotland | Roxburgh | ROX |
| Scotland | Selkirk | SEL |
| Scotland | Shetland | SHI |
| Scotland | Stirling | STI |
| Scotland | Sutherland | SUT |
| Scotland | West Lothian | WLN |
| Scotland | Wigtown | WIG |
| South Africa | RSA | |
| Spain | ESP | |
| Sweden | SWE | |
| Switzerland | CH | |
| Switzerland | Aargau | AG |
| Switzerland | Appenzell A.Rh | AAR |
| Switzerland | Appenzell I.Rh | AIR |
| Switzerland | Basel-Landschaft | BL |
| Switzerland | Basel-Stadt | BS |
| Switzerland | Bern | BE |
| Switzerland | Frieburg | FR |
| Switzerland | Genf | GE |
| Switzerland | Glarus | GL |
| Switzerland | Graubunden | GR |
| Switzerland | Luzern | LU |
| Switzerland | Neuenburg | NEU |
| Switzerland | Nidwalden | NW |
| Switzerland | Obwalden | OW |
| Switzerland | Sankt Gallen | SG |
| Switzerland | Schaffhausen | SH |
| Switzerland | Schwyz | SZ |
| Switzerland | Solothun | SO |
| Switzerland | Tessin | TI |
| Switzerland | Thurgau | TG |
| Switzerland | Uri | UR |
| Switzerland | Waad [Vaud] | VD |
| Switzerland | Wallis [Valais] | VS |
| Switzerland | Zug | ZG |
| Switzerland | Zürich | ZH |
| Thuringia [Thüringen] | THE | |
| Thuringia | Sachsen-Coburg-Saalfeld [Saxe-Coburg-Saalfeld] | SXC |
| Thuringia | Sachsen-Gotha-Altenburg [Saxe-Gotha-Altenburg] | SXG |
| Thuringia | Sachsen-Hildburghausen [Saxe-Hildburghausen] | SXH |
| Thuringia | Sachsen-Meiningen [Saxe-Meiningen] | SXM |
| Thuringia | Sachsen-Weimar [Saxe-Weimar] | SXW |
| United Kingdom | UK | |
| United States | USA | |
| United States | Alabama | AL |
| United States | Alaska | AK |
| United States | Arizona | AZ |
| United States | Arkansas | AR |
| United States | California | CA |
| United States | Colorado | CO |
| United States | Connecticut | CT |
| United States | Delaware | DE |
| United States | District of Columbia | DC |
| United States | Florida | FL |
| United States | Georgia | GA |
| United States | Hawaii | HI |
| United States | Idaho | ID |
| United States | Illinois | IL |
| United States | Indiana | IN |
| United States | Iowa | IA |
| United States | Kansas | KS |
| United States | Kentucky | KY |
| United States | Louisana | LA |
| United States | Maine | ME |
| United States | Maryland | MD |
| United States | Massachusetts | MA |
| United States | Michigan | MI |
| United States | States Minnesota | MN |
| United States | Misouri | MO |
| United States | Mississippi | MS |
| United States | Montana | MT |
| United States | Nebraska | NE |
| United States | Nevada | NV |
| United States | New Hampshire | NH |
| United States | New Jersey | NJ |
| United States | New Mexico | NM |
| United States | New York | NY |
| United States | North Carolina | NC |
| United States | North Dakota | ND |
| United States | Ohio | OH |
| United States | Oklahoma | OK |
| United States | Oregon | OR |
| United States | Pennsylvania | PA |
| United States | Rhode Island | RI |
| United States | South Carolina | SC |
| United States | South Dakota | SD |
| United States | Tennessee | TN |
| United States | Texas | TX |
| United States | Utah | UT |
| United States | Vermont | VT |
| United States | Virginia | VA |
| United States | Washington | WA |
| United States | West Virginia | WV |
| United States | Wisconsin | WI |
| United States | Wyoming | WY |
| USSR | SU | |
| Wales | WLS | |
| Wales | Anglesey | AGY |
| Wales | Brecknockshire [Breconshire] | BRE |
| Wales | Caernarvon | CAE |
| Wales | Cardiganshire | CGN |
| Wales | Carmarthen | CMN |
| Wales | Denbighshire | DEN |
| Wales | Flintshire | FLN |
| Wales | Glamorgan | GLA |
| Wales | Merioneth | MER |
| Wales | Monmouthshire | MON |
| Wales | Montgomeryshire | MGY |
| Wales | Pembroke | PEM |
| Wales | Radnorshire | RAD |
| West Prussia | [Westpreussen] | WPRU |
| Wurtemberg | [Württemberg] | WUE |
| Yugoslavia | YU |