| 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 |
| AX | Åland Islands {Ahvenamaa} |
| AZ | Azerbaijan |
| BA | Bosnia and Herzegovina |
| BB | Barbados |
| BD | Bangladesh |
| BE | Belgium |
| BF | Burkina Faso |
| BG | Bulgaria |
| BH | Bahrain |
| BI | Burundi |
| BJ | Benin |
| BL | St Barthélemy |
| BM | Bermuda |
| BN | Brunei [Brunei Darussalam] |
| BO | Bolivia [Bolivia, Plurinational State of] |
| BQ | Bonaire, Sint Eustatius and Saba |
| BR | Brazil |
| BS | Bahamas, The |
| BT | Bhutan |
| BV | Bouvet Island |
| BW | Botswana |
| BY | Belarus |
| BZ | Belize |
| CA | Canada |
| CC | Cocos (Keeling) Islands |
| CD | Congo (Democratic Republic) [Congo (The Democratic Republic of the)] {formerly Zaire} |
| CF | Central African Republic |
| CG | Congo |
| CH | Switzerland |
| CI | Ivory Coast [Côte D'ivoire] |
| CK | Cook Islands |
| CL | Chile |
| CM | Cameroon |
| CN | China |
| CO | Colombia |
| CR | Costa Rica |
| CU | Cuba |
| CV | Cape Verde |
| CW | Curaçao |
| CX | Christmas Island |
| 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 {includes Ceuta, Melilla} |
| ET | Ethiopia |
| EU | European Union not otherwise specified |
| FI | Finland |
| FJ | Fiji |
| FK | Falkland Islands [Falkland Islands (Malvinas)] |
| FM | Micronesia [Micronesia, Federated States of] |
| FO | Faroe Islands |
| FR | France {includes Corsica} |
| GA | Gabon |
| GB | United Kingdom |
| GD | Grenada |
| GE | Georgia |
| GF | French Guiana |
| GG | Guernsey |
| GH | Ghana |
| GI | Gibraltar |
| GL | Greenland |
| GM | Gambia, The |
| GN | Guinea |
| GP | Guadeloupe |
| GQ | Equatorial Guinea |
| GR | Greece |
| GS | South Georgia and The South Sandwich Islands |
| GT | Guatemala |
| GU | Guam |
| GW | Guinea-Bissau |
| GY | Guyana |
| HK | Hong Kong (Special Administrative Region of China) [Hong Kong] |
| HM | Heard Island and McDonald Islands |
| HN | Honduras |
| HR | Croatia |
| HT | Haiti |
| HU | Hungary |
| IC | Canary Islands |
| ID | Indonesia |
| IE | Ireland |
| IL | Israel |
| IM | Isle of Man |
| IN | India |
| IO | British Indian Ocean Territory (BIOT) |
| IQ | Iraq |
| IR | Iran [Iran, Islamic Republic of] |
| IS | Iceland |
| IT | Italy {Includes Sardinia, Sicily} |
| JE | Jersey |
| JM | Jamaica |
| JO | Jordan |
| JP | Japan |
| KE | Kenya |
| KG | Kyrgyzstan |
| KH | Cambodia |
| KI | Kiribati |
| KM | Comoros |
| KN | St Kitts and Nevis |
| KP | Korea (North) [Korea, Democratic People's Republic of] |
| KR | Korea (South) [Korea, Republic of] |
| KW | Kuwait |
| KY | Cayman Islands |
| KZ | Kazakhstan |
| LA | Laos [Lao People's Democratic Republic] |
| LB | Lebanon |
| LC | St Lucia |
| LI | Liechtenstein |
| LK | Sri Lanka |
| LR | Liberia |
| LS | Lesotho |
| LT | Lithuania |
| LU | Luxembourg |
| LV | Latvia |
| LY | Libya |
| MA | Morocco |
| MC | Monaco |
| MD | Moldova [Moldova, Republic of] |
| ME | Montenegro |
| MF | St Martin (French Part) [St Martin] |
| MG | Madagascar |
| MH | Marshall Islands |
| MK | North Macedonia |
| ML | Mali |
| MM | Myanmar (Burma) [The Republic of the Union of Myanmar] |
| MN | Mongolia |
| MO | Macao (Special Administrative Region of China) [Macao] |
| 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 |
| NU | Niue |
| NZ | New Zealand |
| 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, Henderson, Ducie and Oeno Islands [Pitcairn] |
| PR | Puerto Rico |
| PS | Occupied Palestinian Territories [Palestine, State of] {formerly West Bank (including East Jerusalem) and Gaza Strip} |
| PT | Portugal {includes Madeira, Azores} |
| PW | Palau |
| PY | Paraguay |
| QA | Qatar |
| QO | Kosovo |
| RE | Réunion |
| RO | Romania |
| RS | Serbia |
| RU | Russia [Russian Federation] |
| RW | Rwanda |
| SA | Saudi Arabia |
| SB | Solomon Islands |
| SC | Seychelles |
| SD | Sudan |
| SE | Sweden |
| SG | Singapore |
| SH | St Helena, Ascension and Tristan da Cunha |
| SI | Slovenia |
| SJ | Svalbard and Jan Mayen |
| SK | Slovakia |
| SL | Sierra Leone |
| SM | San Marino |
| SN | Senegal |
| SO | Somalia |
| SR | Suriname |
| SS | South Sudan |
| ST | Sao Tome and Principe |
| SV | El Salvador |
| SX | Sint Maarten (Dutch part) |
| SY | Syria [Syrian Arab Republic] |
| SZ | Eswatini |
| TC | Turks and Caicos Islands |
| TD | Chad |
| TF | French Southern Territories |
| TG | Togo |
| TH | Thailand |
| TJ | Tajikistan |
| TK | Tokelau |
| TL | East Timor [Timor Leste] |
| TM | Turkmenistan |
| TN | Tunisia |
| TO | Tonga |
| TR | Turkey |
| TT | Trinidad and Tobago |
| TV | Tuvalu |
| TW | Taiwan [Taiwan, Province of China] |
| TZ | Tanzania [Tanzania, United Republic of] |
| UA | Ukraine |
| UG | Uganda |
| UM | The United States Minor Outlying Islands |
| US | United States |
| UY | Uruguay |
| UZ | Uzbekistan |
| VA | Vatican City [Holy See (Vatican City State)] |
| VC | St Vincent and The Grenadines |
| VE | Venezuela [Venezuela, Bolivarian Republic of] |
| VG | British Virgin Islands [Virgin Islands, British] |
| VI | United States Virgin Islands [Virgin Islands, U. S.] |
| VN | Vietnam [Viet Nam] |
| VU | Vanuatu |
| WF | Wallis and Futuna |
| WS | Samoa |
| XA | Cyprus (European Union) |
| XB | Cyprus (Non-European Union) |
| XF | England |
| XG | Northern Ireland |
| XH | Scotland |
| XI | Wales |
| XK | United Kingdom, not otherwise specified |
| XL | Channel Islands not otherwise specified |
| XP | Europe not otherwise specified |
| XQ | Africa not otherwise specified |
| XR | Middle East not otherwise specified |
| XS | Asia (Except Middle East) not otherwise specified |
| XT | North America not otherwise specified |
| XU | Central America not otherwise specified |
| XV | South America not otherwise specified |
| XW | Caribbean not otherwise specified |
| XX | Antarctica and Oceania not otherwise specified |
| XY | At Sea |
| XZ | In the air |
| YE | Yemen |
| YT | Mayotte |
| ZA | South Africa |
| ZM | Zambia |
| ZW | Zimbabwe |
