| Country | Phone Code | Capital |
| Afghanistan | +93 | Kabul |
| Albania | +355 | Tirana |
| Algeria | +213 | Algiers |
| American Samoa | +684 | Pago Pago |
| Andorra | +376 | Andorra |
| Angola | +244 | Luanda |
| Anguilla | +1-264 | The Valley |
| Antarctica | +672 | None |
| Antigua and Barbuda | +1-268 | St. Johns |
| Argentina | +54 | Buenos Aires |
| Armenia | +374 | Yerevan |
| Aruba | +297 | Oranjestad |
| Australia | +61 | Canberra |
| Austria | +43 | Vienna |
| Azerbaijan | +994 | Baku |
| Bahamas | +1-242 | Nassau |
| Bahrain | +973 | Al-Manamah |
| Bangladesh | +880 | Dhaka |
| Barbados | +1-246 | Bridgetown |
| Belarus | +375 | Minsk |
| Belgium | +32 | Brussels |
| Belize | +501 | Belmopan |
| Benin | +229 | Porto-Novo |
| Bermuda | +1-441 | Hamilton |
| Bhutan | +975 | Thimphu |
| Bolivia | +591 | La Paz |
| Bosnia-Herzegovina | +387 | Sarajevo |
| Botswana | +267 | Gaborone |
| Brazil | +55 | Brasilia |
| Brunei Darussalam | +673 |
Bandar Seri Begawan
|
| Bulgaria | +359 | Sofia |
| Burkina Faso | +226 | Ouagadougou |
| Burundi | +257 | Bujumbura |
| Cabo Verde | +238 | Praia |
| Cambodia | +855 | Phnom Penh |
| Cameroon | +237 | Yaounde |
| Canada | +1 | Ottawa |
| Cayman Islands | +1-345 | Georgetown |
| Central African Republic | +236 | Bangui |
| Chad | +235 | N’Djamena |
| Chile | +56 | Santiago |
| China | +86 | Beijing |
| Christmas Island | +61 | The Settlement |
| Cocos (Keeling) Islands | +61 | West Island |
| Colombia | +57 | Bogota |
| Comoros | +269 | Moroni |
| Congo | +242 | Brazzaville |
| Congo, Dem. Republic | +243 | Kinshasa |
| Cook Islands | +682 | Avarua |
| Costa Rica | +506 | San Jose |
| Croatia | +385 | Zagreb |
| Cuba | +53 | Havana |
| Curaçao | +5999 | Willemstad |
| Cyprus | +357 | Nicosia |
| Czechia | +420 | Prague |
| Côte d’Ivoire | +225 | Abidjan |
| Denmark | +45 | Copenhagen |
| Djibouti | +253 | Djibouti |
| Dominica | +1-767 | Roseau |
| Dominican Republic | +809 | Santo Domingo |
| Ecuador | +593 | Quito |
| Egypt | +20 | Cairo |
| El Salvador | +503 | San Salvador |
| Equatorial Guinea | +240 | Malabo |
| Eritrea | +291 | Asmara |
| Estonia | +372 | Tallinn |
| Eswatini | +268 | Mbabane |
| Ethiopia | +251 | Addis Ababa |
| Falkland Islands (Malvinas) | +500 | Stanley |
| Faroe Islands | +298 | Torshavn |
| Fiji | +679 | Suva |
| Finland | +358 | Helsinki |
| France | +33 | Paris |
| French Guiana | +594 | Cayenne |
| French Polynesia | +689 | Papeete |
| Gabon | +241 | Libreville |
| Gambia | +220 | Banjul |
| Georgia | +995 | Tbilisi |
| Germany | +49 | Berlin |
| Ghana | +233 | Accra |
| Gibraltar | +350 | Gibraltar |
| Greece | +30 | Athens |
| Greenland | +299 | Godthab |
| Grenada | +1-473 | St. George’s |
| Guadeloupe (French) | +590 | Basse-Terre |
| Guam (USA) | +1-671 | Agana |
| Guatemala | +502 | Guatemala City |
| Guinea | +224 | Conakry |
| Guinea Bissau | +245 | Bissau |
| Guyana | +592 | Georgetown |
| Haiti | +509 | Port-au-Prince |
| Holy See | +39 | Vatican City |
| Honduras | +504 | Tegucigalpa |
| Hong Kong | +852 | Victoria |
| Hungary | +36 | Budapest |
| Iceland | +354 | Reykjavik |
| India | +91 | New Delhi |
| Indonesia | +62 | Jakarta |
| Iran | +98 | Tehran |
| Iraq | +964 | Baghdad |
| Ireland | +353 | Dublin |
| Israel | +972 | Jerusalem |
| Italy | +39 | Rome |
| Jamaica | +1-876 | Kingston |
| Japan | +81 | Tokyo |
| Jordan | +962 | Amman |
| Kazakhstan | +7 | Astana |
| Kenya | +254 | Nairobi |
| Kiribati | +686 | Tarawa |
| Korea-North | +850 | Pyongyang |
| Korea-South | +82 | Seoul |
| Kuwait | +965 | Kuwait City |
| Kyrgyzstan | +996 | Bishkek |
| Laos | +856 | Vientiane |
| Latvia | +371 | Riga |
| Lebanon | +961 | Beirut |
| Lesotho | +266 | Maseru |
| Liberia | +231 | Monrovia |
| Libya | +218 | Tripoli |
| Liechtenstein | +423 | Vaduz |
| Lithuania | +370 | Vilnius |
| Luxembourg | +352 | Luxembourg |
| Macao | +853 | Macau |
| Madagascar | +261 | Antananarivo |
| Malawi | +265 | Lilongwe |
| Malaysia | +60 | Kuala Lumpur |
| Maldives | +960 | Male |
| Mali | +223 | Bamako |
| Malta | +356 | Valletta |
| Marshall Islands | +692 | Majuro |
| Martinique (French) | +596 | Fort-de-France |
| Mauritania | +222 | Nouakchott |
| Mauritius | +230 | Port Louis |
| Mayotte | +269 | Dzaoudzi |
| Mexico | +52 | Mexico City |
| Micronesia | +691 | Palikir |
| Moldova | +373 | Kishinev |
| Monaco | +377 | Monaco |
| Mongolia | +976 | Ulan Bator |
| Montenegro | +382 | Podgorica |
| Montserrat | +1-664 | Plymouth |
| Morocco | +212 | Rabat |
| Mozambique | +258 | Maputo |
| Myanmar | +95 | Naypyidaw |
| Namibia | +264 | Windhoek |
| Nauru | +674 | Yaren |
| Nepal | +977 | Kathmandu |
| Netherlands | +31 | Amsterdam |
| New Caledonia (French) | +687 | Noumea |
| New Zealand | +64 | Wellington |
| Nicaragua | +505 | Managua |
| Niger | +227 | Niamey |
| Nigeria | +234 | Lagos |
| Niue | +683 | Alofi |
| Norfolk Island | +672 | Kingston |
| North Macedonia | +389 | Skopje |
| Northern Mariana Islands | +670 | Saipan |
| Norway | +47 | Oslo |
| Oman | +968 | Muscat |
| Pakistan | +92 | Islamabad |
| Palau | +680 | Koror |
| Panama | +507 | Panama City |
| Papua New Guinea | +675 | Port Moresby |
| Paraguay | +595 | Asuncion |
| Peru | +51 | Lima |
| Philippines | +63 | Manila |
| Poland | +48 | Warsaw |
| Portugal | +351 | Lisbon |
| Puerto Rico | +1-787 | San Juan |
| Qatar | +974 | Doha |
| Reunion (French) | +262 | Saint-Denis |
| Romania | +40 | Bucharest |
| Russia | +7 | Moscow |
| Rwanda | +250 | Kigali |
| Saint Helena | +290 | Jamestown |
| Saint Kitts & Nevis Anguilla | +1-869 | Basseterre |
| Saint Lucia | +1-758 | Castries |
| Saint Pierre and Miquelon | +508 | St. Pierre |
| Saint Vincent & Grenadines | +1-784 | Kingstown |
| Samoa | +684 | Apia |
| San Marino | +378 | San Marino |
| Sao Tome and Principe | +239 | Sao Tome |
| Saudi Arabia | +966 | Riyadh |
| Senegal | +221 | Dakar |
| Serbia | +381 | Belgrade |
| Seychelles | +248 | Victoria |
| Sierra Leone | +232 | Freetown |
| Singapore | +65 | Singapore |
| Slovakia | +421 | Bratislava |
| Slovenia | +386 | Ljubljana |
| Solomon Islands | +677 | Honiara |
| Somalia | +252 | Mogadishu |
| South Africa | +27 | Pretoria |
| Spain | +34 | Madrid |
| Sri Lanka | +94 | Colombo |
| Sudan | +249 | Khartoum |
| Suriname | +597 | Paramaribo |
| Sweden | +46 | Stockholm |
| Switzerland | +41 | Bern |
| Syria | +963 | Damascus |
| Taiwan | +886 | Taipei |
| Tajikistan | +992 | Dushanbe |
| Tanzania | +255 | Dodoma |
| Thailand | +66 | Bangkok |
| Togo | +228 | Lome |
| Tokelau | +690 | None |
| Tonga | +676 | Nuku’alofa |
| Trinidad and Tobago | +1-868 | Port of Spain |
| Tunisia | +216 | Tunis |
| Turkey | +90 | Ankara |
| Turkmenistan | +993 | Ashgabat |
| Turks and Caicos Islands | +1-649 | Grand Turk |
| Tuvalu | +688 | Funafuti |
| USA | +1 | Washington |
| Uganda | +256 | Kampala |
| Ukraine | 380 | Kiev |
| United Arab Emirates | +971 | Abu Dhabi |
| United Kingdom (Great Britain and N. Ireland) |
+44 | London |
| Uruguay | +598 | Montevideo |
| Uzbekistan | +998 | Tashkent |
| Vanuatu | +678 | Port Vila |
| Venezuela | +58 | Caracas |
| Vietnam | +84 | Hanoi |
| Virgin Islands (British) | +1-284 | Road Town |
| Virgin Islands (USA) | +1-340 | Charlotte Amalie |
| Wallis and Futuna Islands | +681 | Mata-Utu |
| Yemen | +967 | San’a |
| Zambia | +260 | Lusaka |
| Zimbabwe | +263 | Harare |
