| +93 | Afghanistan | Kabul |
| +358-18 | Aland Islands | Mariehamn |
| +355 | Albania | Tirana |
| +213 | Algeria | Algiers |
| +1-684 | American Samoa | Pago Pago |
| +376 | Andorra | Andorra la Vella |
| +244 | Angola | Luanda |
| +1-264 | Anguilla | The Valley |
| +1-268 | Antigua and Barbuda | St. John's |
| +54 | Argentina | Buenos Aires |
| +374 | Armenia | Yerevan |
| +297 | Aruba | Oranjestad |
| +61 | Australia | Canberra |
| +43 | Austria | Vienna |
| +994 | Azerbaijan | Baku |
| +1-242 | Bahamas | Nassau |
| +973 | Bahrain | Manama |
| +880 | Bangladesh | Dhaka |
| +1-246 | Barbados | Bridgetown |
| +375 | Belarus | Minsk |
| +375 | Belarus | Minsk |
| +32 | Belgium | Brussels |
| +501 | Belize | Belmopan |
| +229 | Benin | Porto-Novo |
| +1-441 | Bermuda | Hamilton |
| +975 | Bhutan | Thimphu |
| +591 | Bolivia | Sucre |
| +599 | Bonaire, Saint Eustatius and Saba | |
| +387 | Bosnia and Herzegovina | Sarajevo |
| +267 | Botswana | Gaborone |
| +55 | Brazil | Brasilia |
| +246 | British Indian Ocean Territory | Diego Garcia |
| +1-284 | British Virgin Islands | Road Town |
| +673 | Brunei | Bandar Seri Begawan |
| +359 | Bulgaria | Sofia |
| +226 | Burkina Faso | Ouagadougou |
| +257 | Burundi | Gitega |
| +238 | Cabo Verde | Praia |
| +855 | Cambodia | Phnom Penh |
| +237 | Cameroon | Yaounde |
| +1 | Canada | Ottawa |
| +1-345 | Cayman Islands | George Town |
| +236 | Central African Republic | Bangui |
| +235 | Chad | N'Djamena |
| +56 | Chile | Santiago |
| +56 | Chile | Santiago |
| +86 | China | Beijing |
| +61 | Christmas Island | Flying Fish Cove |
| +61 | Christmas Island | Flying Fish Cove |
| +61 | Cocos Islands | West Island |
| +61 | Cocos Islands | West Island |
| +57 | Colombia | Bogota |
| +269 | Comoros | Moroni |
| +682 | Cook Islands | Avarua |
| +506 | Costa Rica | San Jose |
| +385 | Croatia | Zagreb |
| +53 | Cuba | Havana |
| +599 | Curacao | Willemstad |
| +357 | Cyprus | Nicosia |
| +357 | Cyprus | Nicosia |
| +420 | Czechia | Prague |
| +420 | Czechia | Prague |
| +243 | Democratic Republic of the Congo | Kinshasa |
| +45 | Denmark | Copenhagen |
| +253 | Djibouti | Djibouti |
| +1-767 | Dominica | Roseau |
| +1-809 and | Dominican Republic | Santo Domingo |
| +593 | Ecuador | Quito |
| +20 | Egypt | Cairo |
| +503 | El Salvador | San Salvador |
| +240 | Equatorial Guinea | Malabo |
| +291 | Eritrea | Asmara |
| +372 | Estonia | Tallinn |
| +372 | Estonia | Tallinn |
| +268 | Eswatini | Mbabane |
| +251 | Ethiopia | Addis Ababa |
| +500 | Falkland Islands | Stanley |
| +298 | Faroe Islands | Torshavn |
| +679 | Fiji | Suva |
| +358 | Finland | Helsinki |
| +33 | France | Paris |
| +594 | French Guiana | Cayenne |
| +689 | French Polynesia | Papeete |
| +241 | Gabon | Libreville |
| +220 | Gambia | Banjul |
| +995 | Georgia | Tbilisi |
| +49 | Germany | Berlin |
| +233 | Ghana | Accra |
| +350 | Gibraltar | Gibraltar |
| +30 | Greece | Athens |
| +299 | Greenland | Nuuk |
| +1-473 | Grenada | St. George's |
| +590 | Guadeloupe | Basse-Terre |
| +1-671 | Guam | Hagatna |
| +1-671 | Guam | Hagatna |
| +502 | Guatemala | Guatemala City |
| +44-1481 | Guernsey | St Peter Port |
| +224 | Guinea | Conakry |
| +245 | Guinea-Bissau | Bissau |
| +592 | Guyana | Georgetown |
| +509 | Haiti | Port-au-Prince |
| +504 | Honduras | Tegucigalpa |
| +852 | Hong Kong | Hong Kong |
| +36 | Hungary | Budapest |
| +354 | Iceland | Reykjavik |
| +91 | India | New Delhi |
| +62 | Indonesia | Jakarta |
| +98 | Iran | Tehran |
| +964 | Iraq | Baghdad |
| +353 | Ireland | Dublin |
| +44-1624 | Isle of Man | Douglas |
| +972 | Israel | Jerusalem |
| +39 | Italy | Rome |
| +225 | Ivory Coast | Yamoussoukro |
| +1-876 | Jamaica | Kingston |
| +81 | Japan | Tokyo |
| +44-1534 | Jersey | Saint Helier |
| +962 | Jordan | Amman |
| +7 | Kazakhstan | Nur-Sultan |
| +254 | Kenya | Nairobi |
| +686 | Kiribati | Tarawa |
| +965 | Kuwait | Kuwait City |
| +996 | Kyrgyzstan | Bishkek |
| +856 | Laos | Vientiane |
| +371 | Latvia | Riga |
| +371 | Latvia | Riga |
| +961 | Lebanon | Beirut |
| +266 | Lesotho | Maseru |
| +231 | Liberia | Monrovia |
| +218 | Libya | Tripoli |
| +423 | Liechtenstein | Vaduz |
| +370 | Lithuania | Vilnius |
| +370 | Lithuania | Vilnius |
| +352 | Luxembourg | Luxembourg |
| +853 | Macao | Macao |
| +261 | Madagascar | Antananarivo |
| +265 | Malawi | Lilongwe |
| +60 | Malaysia | Kuala Lumpur |
| +960 | Maldives | Male |
| +223 | Mali | Bamako |
| +356 | Malta | Valletta |
| +692 | Marshall Islands | Majuro |
| +596 | Martinique | Fort-de-France |
| +222 | Mauritania | Nouakchott |
| +230 | Mauritius | Port Louis |
| +262 | Mayotte | Mamoudzou |
| +52 | Mexico | Mexico City |
| +691 | Micronesia | Palikir |
| +373 | Moldova | Chisinau |
| +377 | Monaco | Monaco |
| +976 | Mongolia | Ulaanbaatar |
| +382 | Montenegro | Podgorica |
| +1-664 | Montserrat | Plymouth |
| +212 | Morocco | Rabat |
| +258 | Mozambique | Maputo |
| +95 | Myanmar | Nay Pyi Taw |
| +264 | Namibia | Windhoek |
| +674 | Nauru | Yaren |
| +977 | Nepal | Kathmandu |
| +31 | Netherlands | Amsterdam |
| +599 | Netherlands Antilles | Willemstad |
| +687 | New Caledonia | Noumea |
| +64 | New Zealand | Wellington |
| +505 | Nicaragua | Managua |
| +227 | Niger | Niamey |
| +234 | Nigeria | Abuja |
| +683 | Niue | Alofi |
| +672 | Norfolk Island | Kingston |
| +850 | North Korea | Pyongyang |
| +389 | North Macedonia | Skopje |
| +1-670 | Northern Mariana Islands | Saipan |
| +47 | Norway | Oslo |
| +968 | Oman | Muscat |
| +92 | Pakistan | Islamabad |
| +680 | Palau | Melekeok |
| +970 | Palestinian Territory | East Jerusalem |
| +507 | Panama | Panama City |
| +675 | Papua New Guinea | Port Moresby |
| +595 | Paraguay | Asuncion |
| +51 | Peru | Lima |
| +63 | Philippines | Manila |
| +870 | Pitcairn | Adamstown |
| +48 | Poland | Warsaw |
| +351 | Portugal | Lisbon |
| +1-787 and | Puerto Rico | San Juan |
| +974 | Qatar | Doha |
| +242 | Republic of the Congo | Brazzaville |
| +262 | Reunion | Saint-Denis |
| +40 | Romania | Bucharest |
| +7 | Russia | Moscow |
| +250 | Rwanda | Kigali |
| +590 | Saint Barthelemy | Gustavia |
| +290 | Saint Helena | Jamestown |
| +1-869 | Saint Kitts and Nevis | Basseterre |
| +1-758 | Saint Lucia | Castries |
| +590 | Saint Martin | Marigot |
| +508 | Saint Pierre and Miquelon | Saint-Pierre |
| +1-784 | Saint Vincent and the Grenadines | Kingstown |
| +685 | Samoa | Apia |
| +378 | San Marino | San Marino |
| +378 | San Marino | San Marino |
| +239 | Sao Tome and Principe | Sao Tome |
| +966 | Saudi Arabia | Riyadh |
| +221 | Senegal | Dakar |
| +381 | Serbia | Belgrade |
| +381 | Serbia and Montenegro | Belgrade |
| +248 | Seychelles | Victoria |
| +232 | Sierra Leone | Freetown |
| +65 | Singapore | Singapore |
| +599 | Sint Maarten | Philipsburg |
| +421 | Slovakia | Bratislava |
| +386 | Slovenia | Ljubljana |
| +677 | Solomon Islands | Honiara |
| +252 | Somalia | Mogadishu |
| +27 | South Africa | Pretoria |
| +82 | South Korea | Seoul |
| +211 | South Sudan | Juba |
| +34 | Spain | Madrid |
| +34 | Spain | Madrid |
| +94 | Sri Lanka | Colombo |
| +249 | Sudan | Khartoum |
| +597 | Suriname | Paramaribo |
| +47 | Svalbard and Jan Mayen | Longyearbyen |
| +46 | Sweden | Stockholm |
| +41 | Switzerland | Bern |
| +963 | Syria | Damascus |
| +886 | Taiwan | Taipei |
| +992 | Tajikistan | Dushanbe |
| +255 | Tanzania | Dodoma |
| +255 | Tanzania | Dodoma |
| +66 | Thailand | Bangkok |
| +670 | Timor Leste | Dili |
| +228 | Togo | Lome |
| +690 | Tokelau | |
| +676 | Tonga | Nuku'alofa |
| +1-868 | Trinidad and Tobago | Port of Spain |
| +216 | Tunisia | Tunis |
| +90 | Turkey | Ankara |
| +993 | Turkmenistan | Ashgabat |
| +1-649 | Turks and Caicos Islands | Cockburn Town |
| +688 | Tuvalu | Funafuti |
| +1-340 | U.S. Virgin Islands | Charlotte Amalie |
| +256 | Uganda | Kampala |
| +380 | Ukraine | Kyiv |
| +971 | United Arab Emirates | Abu Dhabi |
| +44 | United Kingdom | London |
| +44 | United Kingdom | London |
| +44 | United Kingdom | London |
| +1 | United States | Washington |
| +1 | United States | Washington |
| +1 | United States | Washington |
| +1 | United States | Washington |
| +1 | United States Minor Outlying Islands | |
| +598 | Uruguay | Montevideo |
| +998 | Uzbekistan | Tashkent |
| +678 | Vanuatu | Port Vila |
| +379 | Vatican | Vatican City |
| +58 | Venezuela | Caracas |
| +84 | Vietnam | Hanoi |
| +681 | Wallis and Futuna | Mata Utu |
| +212 | Western Sahara | El-Aaiun |
| +967 | Yemen | Sanaa |
| +260 | Zambia | Lusaka |
| +263 | Zimbabwe | Harare |