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