| AC | Ascension Island | AD | Andorra, Europe | AE | United Arab Emirates, Asia |
| AF | Afghanistan | AG | Antigua and Barbuda | AI | Anguilla, Caribbean |
| AL | Albania | AM | Armenia, Asia | AN | Netherlands Antilles |
| AO | Angola, Africa | AQ | Antarctica | AR | Argentina |
| AS | American Samoa | AT | Austria | AU | Australia |
| AW | Aruba | AZ | Azerbaijan, Asia | BA | Bosnia and Herzegovina |
| BB | Barbados | BD | Bangladesh, Asia | BE | Belgium |
| BF | Burkina Faso, Africa | BG | Bulgaria | BH | Bahrain, Asia |
| BI | Burundi, Africa | BJ | Benin, Africa | BM | Bermuda |
| BN | Brunei Darussalam, Asia | BO | Bolivia | BR | Brazil |
| BS | Bahamas | BT | Bhutan, Asia | BV | Bouvet Island |
| BW | Botswana, Africa | BY | Belarus | BZ | Belize |
| CA | Canada | CC | Cocos (Keeling) Islands | CF | Central African Republic |
| CG | Congo, Africa | CH | Switzerland | CI | Cote D'Ivoire (Ivory Coast), Africa |
| CK | Cook Islands | CL | Chile | CM | Cameroon, Africa |
| CN | China, Asia | CO | Colombia | CR | Costa Rica |
| CS | Czechoslovakia (former) | CU | Cuba | CV | Cape Verde |
| CX | Christmas Island | CY | Cyprus | CZ | Czech Republic |
| DE | Germany | DJ | Djibouti, Africa | DK | Denmark |
| DM | Dominica | DO | Dominican Republic | DZ | Algeria, Africa |
| EC | Ecuador | EE | Estonia | EG | Egypt, Africa |
| EH | Western Sahara, Africa | ER | Eritrea, Africa | ES | Spain |
| ET | Ethiopia, Africa | FI | Finland | FJ | Fiji |
| FK | Falkland Islands (Malvinas) | FM | Micronesia | FO | Faroe Islands |
| FR | France | FX | France, Metropolitan | GA | Gabon, Africa |
| GB | Great Britain (UK) | GD | Grenada | GE | Georgia, Asia |
| GF | French Guiana | GH | Ghana, Africa | GI | Gibraltar |
| GL | Greenland | GM | Gambia, Africa | GN | Guinea, Africa |
| GP | Guadeloupe | GQ | Equatorial Guinea | GR | Greece |
| GS | S. Georgia and S. Sandwich Isls., Asia | GT | Guatemala | GU | Guam |
| GW | Guinea-Bissau, Africa | GY | Guyana | HK | Hong Kong, Asia |
| HM | Heard and McDonald Islands | HN | Honduras | HR | Croatia (Hrvatska) |
| HT | Haiti | HU | Hungary | ID | Indonesia, Asia |
| IE | Ireland | IL | Israel, Asia | IN | India, Asia |
| IO | British Indian Ocean Territory | IQ | Iraq | IR | Iran |
| IS | Iceland | IT | Italy | JM | Jamaica |
| JO | Jordan, Asia | JP | Japan, Asia | KE | Kenya, Africa |
| KG | Kyrgyzstan, Asia | KH | Cambodia, Asia | KI | Kiribati |
| KM | Comoros | KN | Saint Kitts and Nevis | KP | Korea (North), Asia |
| KR | Korea (South), Asia | KW | Kuwait, Asia | KY | Cayman Islands |
| KZ | Kazakhstan, Asia | LA | Laos, Asia | LB | Lebanon, Asia |
| LC | Saint Lucia | LI | Liechtenstein | LK | Sri Lanka, Asia |
| LR | Liberia, Africa | LS | Lesotho, Africa | LT | Lithuania |
| LU | Luxembourg | LV | Latvia | LY | Libya |
| MA | Morocco, Africa | MC | Monaco | MD | Moldova |
| MG | Madagascar | MH | Marshall Islands | MK | Macedonia |
| ML | Mali, Africa | MM | Myanmar, Asia | MN | Mongolia, Asia |
| MO | Macau, Asia | MP | Northern Mariana Islands | MQ | Martinique |
| MR | Mauritania, Africa | MS | Montserrat | MT | Malta |
| MU | Mauritius, Africa | MV | Maldives, Asia | MW | Malawi, Africa |
| MX | Mexico | MY | Malaysia, Asia | MZ | Mozambique, Africa |
| NA | Namibia, Africa | NC | New Caledonia | NE | Niger, Africa |
| NF | Norfolk Island | NG | Nigeria, Africa | NI | Nicaragua |
| NL | Netherlands | NO | Norway | NP | Nepal, Asia |
| NR | Nauru | NT | Neutral Zone | NU | Niue |
| NZ | New Zealand (Aotearoa) | OM | Oman, Asia | PA | Panama |
| PE | Peru | PF | French Polynesia | PG | Papua New Guinea |
| PH | Philippines, Asia | PK | Pakistan, Asia | PL | Poland |
| PM | St. Pierre and Miquelon | PN | Pitcairn | PR | Puerto Rico |
| PT | Portugal | PW | Palau | PY | Paraguay |
| QA | Qatar, Asia | RE | Reunion, Africa | RO | Romania |
| RU | Russian Federation, Asia | RW | Rwanda, Africa | SA | Saudi Arabia, Asia |
| SB | Solomon Islands | SC | Seychelles, Africa | SD | Sudan, Africa |
| SE | Sweden | SG | Singapore, Asia | SH | St. Helena |
| SI | Slovenia | SJ | Svalbard and Jan Mayen Islands | SK | Slovak Republic |
| SL | Sierra Leone, Africa | SM | San Marino | SN | Senegal |
| SO | Somalia, Africa | SR | Suriname | ST | Sao Tome and Principe |
| SU | USSR (former), Asia | SV | El Salvador | SY | Syria |
| SZ | Swaziland, Africa | TC | Turks and Caicos Islands | TD | Chad, Africa |
| TF | French Southern Territories | TG | Togo, Africa | TH | Thailand, Asia |
| TJ | Tajikistan | TK | Tokelau | TM | Turkmenistan, Asia |
| TN | Tunisia, Africa | TO | Tonga | TP | East Timor, Asia |
| TR | Turkey, Asia | TT | Trinidad and Tobago | TV | Tuvalu |
| TW | Taiwan, Asia | TZ | Tanzania, Africa | UA | Ukraine |
| UG | Uganda, Africa | UK | United Kingdom | UM | US Minor Outlying Islands |
| US | United States, North America | UY | Uruguay | UZ | Uzbekistan, Asia |
| VA | Vatican City State (Holy See) | VC | Saint Vincent and the Grenadines | VE | Venezuela |
| VG | Virgin Islands (British) | VI | Virgin Islands (U.S.) | VN | Viet Nam, Asia |
| VU | Vanuatu | WF | Wallis and Futuna Islands | WS | Samoa |
| YE | Yemen, Asia | YT | Mayotte | YU | Yugoslavia |
| ZA | South Africa, Africa | ZM | Zambia, Africa | ZR | Zaire, Africa |
| ZW | Zimbabwe, Africa |
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