| WRL code | Present code | Old code | Country | Region |
|---|---|---|---|---|
| AAT | AAT | AUS | Australian Antartic Territory | Oceania |
| ABD | ABD | UAE | Abu Dhabi | Asia, Middle East |
| ABY | ETH | ABY | Abyssinia (Ethiopia) | Africa, East |
| ACI | ACI | AUS | Ashmore and Cartier Islands | Oceania |
| ADE | YEM | ADE | Aden (now part of Yemen) | Asia, Middle East |
| AES | AES | - | American Eastern Somoa | Oceania |
| AFG | AFG | AFG | Afghanistan | Asia, Middle East |
| AGU | AGU | - | Anguilla | West Indies |
| ALB | ALB | ALB | Albania | Europe |
| ALG | ALG | ALG | Algeria | Africa, North |
| AND | AND | AND | Andorra | Europe |
| ANG | ANG | ANG | Angola | Africa, Central |
| ANT? | ANT? | - | Antigua and Barbuda | West Indies |
| ANT? | ANT? | - | Antarctica | Antarctica |
| ARG | ARG | ARG | Argentina | America, South |
| ARM | ARM | USS | Armenia (formerly part of the USSR) | Asia, Middle East |
| ARU | ARU | - | Aruba | West Indies |
| ASC | ASC | - | Ascension | Africa, Central |
| AUQ | AUQ | UAE | Ajman and Umm al Qaiwain | Asia, Middle East |
| AUR | AUR | AUR | Austria | Europe |
| AUS | AUS | AUS | Australia | Oceania |
| AVI | AVI | - | Virgin Islands | West Indies |
| AZB | AZB | USS | Azerbaijan (formerly part of the USSR) | Asia, Middle East |
| BAH | BAH | BAH | Bahamas | West Indies |
| BAN | BAN | EPA | Bangladesh (formerly East Pakistan) | Asia, Far East |
| BAR | BAR | BAR | Bahrain | Asia, Middle East |
| BAS | LES | BAS | Basutoland (now Lesoto) | Africa, Southern |
| BAT | BAT | - | British Antarctic Territory | Antarctica |
| BEC | BOT | BEC | Bechuanaland (now Botswana) | Africa, Southern |
| BEL | BEL | BEL | Belgium | Europe, EEC Member |
| BEN | BEN | DAH | Benin (formerly Dahomey) | Africa, West |
| BER | BER | BER | Bermuda | West Indies |
| BHU | BHU | BHU | Bhutan | Asia, Far East |
| BIO | BIO | - | British Indian Ocean Territory | Africa, East |
| BKF | BKF | VOL | Burkina Faso (formerly Upper Volta) | Africa, West |
| BLC | ZAI | BLC | Belgium Congo (now Zaire) | Africa, Central |
| BLR | BLR | USS | Belarus (formerly Belorussia) | Europe |
| BNG | PNG | BNG | British New Guinea | Oceania |
| BOL | BOL | BOL | Bolivia | America, South |
| BOR | BOR | BOR | Borneo | Asia, Far East |
| BOS | BOS | YUG | Bosnia Hercegovina (formerly part of Yugoslavia) | Europe |
| BOT | BOT | BEC | Botswana (formerly Bechuanaland) | Africa, Southern |
| BRA | BRA | BRA | Brazil | America, South |
| BRB | BRB | - | Barbados | West Indies |
| BRG | GUY | BRG | British Guiana (now Guyana) | America, South |
| BRH | BZE | BRH | British Honduras (now Belize) | America, Central |
| BRU | BRU | BRU | Brunei | Asia, Far East |
| BUL | BUL | BUL | Bulgaria | Europe |
| BUN | BUN | RUA | Burundi (formerly part Ruanda Urundi) | Africa, Central |
| BUR | MYA | BUR | Burma (now Myanmar) | Asia, Far East |
| BVI | BVI | - | British Virgin Islands | West Indies |
| BZE | BZE | BRH | Belize (formerly British Honduras) | America, Central |
| CAF | CAF | CAF | Central African Republic | Africa, Central |
| CAM | CAM | CAM | Cambodia (formerly Kampuchea) | Asia, Far East |
| CAN | CAN | CAN | Canada | America, North |
| CAP | CAP | CAP | Cape Verde Islands | Africa, West |
| CAR | CAR | CAR | Cameroon | Africa, Central |
| CEY | SRL | CEY | Ceylon (now Sri Lanka) | Asia, Far East |
| CHA | CHA | CHA | China | Asia, Far East |
| CHI | CHI | CHI | Chile | America, South |
| CIS | UKG | CIS | Channel Islands | Europe, (part of UKG EEC) |
| COI | COI | AUS | Cocos (Keeling) Islands | Oceania |
| COI | COI | - | Cook Islands | Oceania |
| COL | COL | COL | Colombia | America, South |
| COM | COM | COM | Comoros | Africa, East |
| CON | CON | MDC | Congo | Africa, Central |
| COS | COS | COS | Costa Rica | America, Central |
| CRI | CRI | AUS | Christmas Island | Oceania |
| CRO | CRO | YUG | Croatia (formerly part of Yugoslavia) | Europe |
| CSI | CSI | AUS | Coral Sea Islands Territory | Oceania |
| CUB | CUB | CUB | Cuba | West Indies |
| CUR | NTA | CUR | Curaco | West Indies |
| CYI | CYI | - | Cayman Islands | West Indies |
| CYP | CYP | CYP | Cyprus | Europe |
| CZE | - | CZE | Czechoslovakia (now Czech Republic and Slovakia) | Europe |
| CZR | CZR | CZE | Czech Republic (formerly part of Czechoslovakia) | Europe |
| DAH | BEN | DAH | Dahomey (now Benin) | Africa, West |
| DBI | DBI | DBI | Djibouti (formerly French Somalia) | Africa, East |
| DEN | DEN | DEN | Denmark | Europe, EEC Member |
| DMN | DMN | - | Dominica | West Indies |
| DOM | DOM | DOM | Dominican Republic | West Indies |
| DTG | SUR | DTG | Dutch Guiana (now Surinam) | America, South |
| DUB | DUB | UAE | Dubai | Asia, Middle East |
| ECU | ECU | ECU | Ecuador | America, South |
| EGY | EGY | EGY | Egypt | Africa, North |
| EPAK | BAN | EPAK | East Pakistan (now Bangladesh) | Asia, Far East |
| EQG | EQG | EQG | Equatorial Guinea | Africa, Central |
| EST | EST | USS | Estonia (formerly part of the USSR) | Europe |
| ETH | ETH | ABY | Ethiopia (formerly Abyssinia) | Africa, East |
| FAI | FAI | - | Faroe Islands | Europe, (part of UKG EEC) |
| FAL | FAL | FAL | Falkland Islands | America, South |
| FGU | FGU | FGU | French Guiana | America, South, |
| FIJ | FIJ | FIJ | Fiji | Oceania |
| FIN | FIN | FIN | Finland | Europe |
| FOR | TAW | FOR | Formosa (now Taiwan) | Asia, Far East |
| FRA | FRA | FRA | France | Europe, EEC Member |
| FRG | GER | FRG | Federal Republic of Germany (West Germany) (now Germany) | Europe, |
| FRP | FRP | - | French Polynesia | Oceania |
| FSM | FSM | - | Federated States of Micronesia | Oceania |
| FUJ | FUJ | UAE | Fujeirah | Asia, Middle East |
| GAB | GAB | GAB | Gabon | Africa, Central |
| GAM | GAM | GAM | Gambia | Africa, West |
| GBU | GBU | PGU | Guinea-Bissau | Africa, West |
| GDL | GDL | - | Guadeloupe | West Indies |
| GDR | GER | GDR | German Democratic Republic (East Germany) (now part of Germany) | Europe, |
| GDR | GER | GDR | East Germany (now Germany) | Europe, |
| GER | GER | - | Germany (formerly divided into East and West Germany) | Europe, EEC Member |
| GFR | GER | GFR | West Germany (now Germany) | Europe, |
| GHA | GHA | GLD | Ghana (formerly Gold Coast) | Africa, West |
| GIB | GIB | - | Gibraltar | Europe, (part of UKG EEC) |
| GLD | GHA | GLD | Gold Coast (now Ghana) | Africa, West |
| GNA | GNA | GNA | Guinea | Africa, West |
| GND | GND | - | Grenada | West Indies |
| GRE | GRE | GRE | Greece | Europe, EEC Member |
| GRG | GRG | USS | Georgia (formerly part of the USSR) | Europe |
| GRN | GRN | GRN | Greenland | Europe |
| GUA | GUA | GUA | Guatemala | America, Central |
| GUM | GUM | - | Guam | Oceania |
| GUY | GUY | BRG | Guyana (formerly British Guiana) | America, South |
| HAT | HAT | HAT | Haiti | West Indies |
| HKN | HKN | HKN | Hong Kong | Asia, Far East |
| HMI | HMI | AUS | Heard Island and McDonald Island | Oceania |
| HOL | NET | HOL | Holland (also known as the Netherlands) | Europe, EEC Member |
| HON | HON | HON | Honduras | America, Central |
| HUN | HUN | HUN | Hungary | Europe |
| ICE | ICE | ICE | Iceland | Europe |
| IND | IND | IND | India | Asia, Far East |
| IRL | IRL | IRL | Eire | Europe, EEC Member |
| IRN | IRN | PRS | Iran | Asia, Middle East |
| IRQ | IRQ | IRQ | Iraq | Asia, Middle East |
| ISA | ISA | ISA | Indonesia | Asia, Far East |
| ISR | ISR | ISR | Israel | Asia, Middle East |
| ITL | ITL | ITL | Italy | Europe, EEC Member |
| IVY | CIV | IVY | Cote d'Ivoire (Ivory Coast) | Africa, West |
| JAM | JAM | JAM | Jamaica | West Indies |
| JAP | JPN | JAP | Japan | Asia, Far East |
| JAV | ISA | JAV | Java (part of Indonesia) | Asia, Far East |
| JER | UKG | JER | Jersey Channel Islands; part of UK) | Europe, (part of UKG EEC) |
| JOR | JOR | JOR | Jordan | Asia, Middle East |
| JPN | JPN | JAP | Japan | Asia, Far East |
| KAZ | KAZ | USS | Kazakhstan (formerly part of the USSR) | Asia, Far East |
| KEN | KEN | KEN | Kenya | Africa, East |
| KIR | KIR | - | Kiribati | Oceania |
| KRG | KRG | USS | Kyrgyzstan (Kirghizia) (formerly part of the USSR) | Asia, Far East |
| KUW | KUW | KUW | Kuwait | Asia, Middle East |
| LAO | LAO | LAO | Laos | Asia, Far East |
| LAT | LAT | USS | Latvia (formerly part of the USSR) | Europe |
| LBR | LBR | LBR | Liberia | Africa, West |
| LEB | LEB | LEB | Lebanon | Asia, Middle East |
| LES | LES | BAS | Lesotho (formerly Bastutoland) | Africa, Southern |
| LIB | LIB | LIB | Libya | Africa, North |
| LIE | LIE | LIE | Liechtenstein | Europe |
| LIT | LIT | USS | Lithuania (formerly part of the USSR) | Europe |
| LUX | LUX | LUX | Luxembourg | Europe, EEC Member |
| MAC | MAC | - | Macao | Asia, Far East |
| MAD | MAD | MLR | Madagascar (formerly the Malagasy Republic) | Africa |
| MAI | MAI | SOU | Mali | Africa, West |
| MAL | MAL | NYA | Malawi (formerly Nyasaland) | Africa, Central |
| MAR | MAR | - | Martinique | West Indies, |
| MAU | MAU | MAU | Mauritania | Africa, West |
| MAY | MAY | MAY | Malaysia (formerly Malaya) | Asia, Far East |
| MBI | EQG | RIM | Mbini | Africa, Central ? |
| MCD | MCD | YUG | Macedonia (formerly part of Yugoslavia) | Europe |
| MDA | MDA | POR | Madeira and the Azores | Africa, West, |
| MEX | MEX | MEX | Mexico | America, Central |
| MLA | MAY | MLA | Malaya (now Malaysia) | Asia, Far East |
| MLD | MLD | - | Maldives | Asia, Far East |
| MNT | MNT | YUG | Montenegro | Europe |
| MOG | MOG | MOG | Mongolia | Asia, Far East |
| MOL | MOL | USS | Moldova (formerly part of the USSR) | Europe |
| MON | MON | MON | Monaco | Europe |
| MOR | MOR | MOR | Morocco | Africa, North |
| MOZ | MOZ | MOZ | Mozambique | Africa, Southern |
| MPN | MAY | MPN | Malaysia/Peninsular | Asia, Far East |
| MRI | MRI | - | Marshall Islands | Oceania |
| MSB | MAY | MSB | Malaysia/Sabah | Asia, Far East |
| MSR | MAY | MSR | Malaysia/Sarawak | Asia, Far East |
| MST | MST | - | Montserrat | West Indies |
| MTA | MTA | MTA | Malta | Europe |
| MUR | MUR | - | Mauritius | Africa, East |
| MYA | MYA | BUR | Myanmar (formerly Burma) | Asia, Far East |
| MYT | MYT | - | Mayotte | Africa, East |
| NAU | NAU | - | Nauru | Oceania |
| NCG | NCG | NCG | Nicaragua | America, Central |
| NEC | NEC | - | New Caledonia | Oceania |
| NEP | NEP | NEP | Nepal | Asia, Far East |
| NET | NET | NET | Netherlands (also known as Holland) | Europe, EEC Member |
| NFI | NFI | AUS | Norfolk Island | Oceania |
| NGR | NGR | NGR | Niger | Africa, West |
| NIG | NIG | NIG | Nigeria | Africa, West |
| NIR | UKG | NIR | Northern Ireland (part of the UK) | Europe, (part of UKG EEC) |
| NIU | NIU | - | Niue | Oceania |
| NKR | NKR | NKR | North Korea | Asia, Far East |
| NMB | NMB | SWA | Namibia (formerly South West Africa) | Africa, Southern |
| NMI | NMI | - | Northern Mariana Islands | Oceania |
| NOR | NOR | NOR | Norway | Europe |
| NRHO | ZAM | NRHO | Northern Rhodesia (now Zambia) | Africa, Central |
| NTA | NTA | - | Netherlands Antilles | West Indies |
| NVI | VIT | NVI | North Vietnam (now part of Vietnam) | Asia, Far East |
| NYA | MAL | NYA | Nyasaland (now Malawi) | Africa, Central |
| NYE | YEM | YEM | North Yemen (now part of Yemen) | Asia, Middle East |
| NZL | NZL | NZL | New Zealand | Oceania |
| OMN | OMN | OMN | Oman | Asia, Middle East |
| PAC | PAC | - | The Panama Canal Zone | America, Central |
| PAK | PAK | WPA | Pakistan (formerly West Pakistan) | Asia, Far East |
| PAL | PAL | - | Republic of Palau | Oceania |
| PAN | PAN | PAN | Panama | America, Central |
| PAR | PAR | PAR | Paraguay | America, South |
| PER | PER | PER | Peru | America, South |
| PGU | GBU | PGU | Portuguese Guinea | Africa, West |
| PHI | PHI | PHI | Philippines | Asia, Far East |
| PNG | PNG | BNG | Papua New Guinea | Asia, Far East |
| POL | POL | POL | Poland | Europe |
| POR | POR | POR | Portugal | Europe, EEC Member |
| PTI | PTI | - | Pitcairn Islands | Oceania |
| PTR | PTR | PTR | Puerto Rico | West Indies |
| QTR | QTR | QTR | Qatar | Asia, Middle East |
| RAK | RAK | UAE | Ras al Khaimah | Asia, Middle East |
| REU | REU | - | Reunion | Africa, East, |
| RHO | ZIM | SRHO | Rhodesia (formerly Southern Rhodesia, now Zimbabwe) | Africa, Southern |
| ROM | ROM | ROM | Romania | Europe |
| ROS | ROS | - | Ross Dependency | Oceania |
| RUS | RUS | USS | RSFSR (Russian Federation) (formerly part of USSR) | Europe |
| RUA | - | RUA | Ruanda Urundi (now divided into Rwanda and Burundi) | Africa, Central |
| RWA | RWA | RUA | Rwanda (formerly part of Ruanda Urundi) | Africa, Central |
| SA | SAR | SA | Republic of South Africa | Africa, Southern |
| SAD | ITL | SAD | Sardinia (part of Italy) | Europe, (part of ITL EEC) |
| SAL | SAL | SAL | El Salvador | America, Central |
| SAN | SAN | SAN | San Marino | Europe |
| SAR | SAR | SAR | Republic of South Africa | Africa, Southern |
| SAT | SAT | - | Southern and Antarctic Territ. | Antarctica |
| SAU | SAU | SAU | Saudi Arabia | Asia, Middle East |
| SCN | SCN | - | St. Christopher and Nevis | West Indies |
| SEL | SEL | SEL | Sierra Leone | Africa, West |
| SEN | SEN | SEN | Senegal | Africa, West |
| SER | SER | YUG | Serbia (formerly part of Yugoslavia) | Europe |
| SEY | SEY | SEY | Seychelles | Africa, East |
| SGI | SGI | - | South Georgia/South Sandwich I | America, South |
| SHA | SHA | UAE | Sharjah (United Arab Emirates) | Asia, Middle East |
| SIA | TAI | SIA | Siam (now Thailand) | Asia, Far East |
| SIN | SIN | SIN | Singapore | Asia, Far East |
| SKR | SKR | SKR | South Korea | Asia, Far East |
| SLI | SLI | - | Solomon Islands | Oceania |
| SLO | SLO | YUG | Slovenia (formerly part of Yugoslavia) | Europe |
| SLV | SLV | CZE | Slovakia (formerly part of Czechoslovakia) | Europe |
| SML | SOM | SOM | Somaliland (now Somalia) | Africa, East |
| SOM | SOM | SML | Somalia (formerly Somaliland) | Africa, East |
| SPA | SPA | SPA | Spain | Europe, EEC Member |
| SPM | SPM | - | St.Pierre and Miquelon | America, North |
| SPS | MOR | SPS | Spanish Sahara (Western Sahara, now part of Morroco) | Africa, West |
| SRHO | ZIM | SRHO | Southern Rhodesia (now Zimbabwe) | Africa, Southern |
| SRL | SRL | CEY | Sri Lanka (formerly Ceylon) | Asia, Far East |
| STH | STH | - | St. Helena | Africa, Southern |
| STL | STL | STL | St. Lucia | West Indies |
| STP | STP | - | Sao Tome and Principe | Africa, West |
| SUD | SUD | SUD | Sudan | Africa, East |
| SUM | ISA | SUM | Sumartra (part of Indonesia) | Asia, Far East |
| SUR | SUR | DTG | Surinam (formerly Dutch Guiana) | America, South |
| SVG | SVG | - | St.Vincent and Grenadines | West Indies |
| SWA | NMB | SWA | South West Africa (now Namibia) | Africa, Southern |
| SWE | SWE | SWE | Sweden | Europe |
| SWI | SWI | SWI | Switzerland | Europe |
| SWZ | SWZ | SWZ | Swaziland | Africa, Southern |
| SYE | YEM | ADE | South Yemen (now part of Yemen) | Asia, Middle East |
| SYR | SYR | SYR | Syria | Asia, Middle East |
| TAI | TAI | SIA | Thailand (formerly Siam) | Asia, Far East |
| TAJ | TAJ | USS | Tajikistan (Tadjikistan) (formerly part of the USSR) | Asia, Far East |
| TAN | TAN | TNG | Tanzania (formerly Tanganyika) | Africa, East |
| TAW | TAW | FOR | Taiwan (formerly Formosa) | Asia, Far East |
| TCH | CHD | TCH | Tchad/Chad | Africa, East |
| TCI | TCI | - | Turks and Caicos Islands | West Indies |
| TDC | TDC | - | Tristan da Cunha | Africa, Southern |
| TIB | CHA | TIB | Tibet | Asia, Far East |
| TNG | TAN | TAN | Tanganyika (now Tanzania) | Africa, East |
| TOG | TOG | TOG | Togo (formerly Togoland) | Africa, West |
| TOK | TOK | - | Tokelau (or Union Islands) | Oceania |
| TON | TON | TON | Tonga | Oceania |
| TRI | TRI | TRI | Trinidad & Tobago | West Indies |
| TRK | TRK | USS | Turkmenistan (formerly part of the USSR) | Asia, Far East |
| TRU | UAE | TRU | Trucial States | Asia, Middle East |
| TUN | TUN | TUN | Tunisia | Africa, North |
| TUR | TUR | TUR | Turkey | Asia, Middle East |
| TUV | TUV | ELI | Tuvalu | Oceania |
| UAE | UAE | TRU | United Arab Emirates | Asia, Middle East |
| UGA | UGA | UGA | Uganda | Africa, East |
| UKG | UKG | UKG | United Kingdom | Europe, EEC Member |
| UKR | UKR | USS | Ukraine (formerly part of the USSR) | Europe |
| URU | URU | URU | Uruguay | America, South |
| USA | USA | USA | United States of America | America, North |
| USS | - | USS | USSR | Asia and Europe |
| UZB | UZB | USS | Uzbekistan (formerly part of the USSR) | Asia, Far East |
| VAN | VAN | NHE | Vanuata | Oceania |
| VAT | VAT | HLS | Vatican City | Europe |
| VEN | VEN | VEN | Venezuela | America, South |
| VIT | VIT | VIT | Vietnam (formerly divided in to North and South Vietnam) | Asia, Far East |
| VOL | BKF | VR | Voltaic Republic (now Burkina Faso) | Africa, West |
| WFI | WFI | - | Wallis and Futuna Islands | Oceania |
| WPAK | PAK | WPAK | West Pakistan (now Pakistan) | Asia, Far East |
| WSA | MOR | SPS | Western Sahara (formery Spanish Sahara, now part of Morocco) | Africa, West |
| WSM | WSM | - | Western Somoa | Oceania |
| YEM | YEM | - | Yemen (at various times has been divided in to North Yemen and South Yemen) | Asia, Middle East |
| YUG | - | YUG | Yugoslavia | Europe |
| ZAI | ZAI | BLC | Zaire (formerly Belgium Congo) | Africa, Central |
| ZAM | ZAM | NRH | Zambia (formerly Northern Rhodesia) | Africa, Central |
| ZAN | TAN | ZAN | Zanzibar (now part of Tanzania) | Africa, East |
| ZIM | ZIM | RHO | Zimbabwe (formerly Southern Rhodesia and then Rhodesia) | Africa, Southern |