Afghanistan (+93)

Aland Islands (+358-18)

Albania (+355)

Algeria (+213)

American Samoa (+1-684)

Andorra (+376)

Angola (+244)

Anguilla (+1-264)

Antarctica (+672)

Antigua and Barbuda (+1-268)

Argentina (+54)

Armenia (+374)

Aruba (+297)

Australia (+61)

Austria (+43)

Azerbaijan (+994)

Bahamas (+1-242)

Bahrain (+973)

Bangladesh (+880)

Barbados (+1-246)

Belarus (+375)

Belgium (+32)

Belize (+501)

Benin (+229)

Bermuda (+1-441)

Bhutan (+975)

Bolivia (+591)

Bonaire, Saint Eustatius and Saba (+599)

Bosnia and Herzegovina (+387)

Botswana (+267)

Bouvet Island (+47)

Brazil (+55)

British Indian Ocean Territory (+246)

British Virgin Islands (+1-284)

Brunei (+673)

Bulgaria (+359)

Burkina Faso (+226)

Burundi (+257)

Cambodia (+855)

Cameroon (+237)

Canada (+1)

Cape Verde (+238)

Cayman Islands (+1-345)

Central African Republic (+236)

Chad (+235)

Chile (+56)

China (+86)

Christmas Island (+61)

Cocos Islands (+61)

Colombia (+57)

Comoros (+269)

Cook Islands (+682)

Costa Rica (+506)

Croatia (+385)

Cuba (+53)

Curacao (+599)

Cyprus (+357)

Czech Republic (+420)

Democratic Republic of the Congo (+243)

Denmark (+45)

Djibouti (+253)

Dominica (+1-767)

Dominican Republic (+1-809)

East Timor (+670)

Ecuador (+593)

Egypt (+20)

El Salvador (+503)

Equatorial Guinea (+240)

Eritrea (+291)

Estonia (+372)

Ethiopia (+251)

Falkland Islands (+500)

Faroe Islands (+298)

Fiji (+679)

Finland (+358)

France (+33)

French Guiana (+594)

French Polynesia (+689)

French Southern Territories (+262)

Gabon (+241)

Gambia (+220)

Georgia (+995)

Germany (+49)

Ghana (+233)

Gibraltar (+350)

Greece (+30)

Greenland (+299)

Grenada (+1-473)

Guadeloupe (+590)

Guam (+1-671)

Guatemala (+502)

Guernsey (+44-1481)

Guinea (+224)

Guinea-Bissau (+245)

Guyana (+592)

Haiti (+509)

Heard Island and McDonald Islands (+0)

Honduras (+504)

Hong Kong (+852)

Hungary (+36)

Iceland (+354)

India (+91)

Indonesia (+62)

Iran (+98)

Iraq (+964)

Ireland (+353)

Isle of Man (+44-1624)

Israel (+972)

Italy (+39)

Ivory Coast (+225)

Jamaica (+1-876)

Japan (+81)

Jersey (+44-1534)

Jordan (+962)

Kazakhstan (+7)

Kenya (+254)

Kiribati (+686)

Kosovo (+383)

Kuwait (+965)

Kyrgyzstan (+996)

Laos (+856)

Latvia (+371)

Lebanon (+961)

Lesotho (+266)

Liberia (+231)

Libya (+218)

Liechtenstein (+423)

Lithuania (+370)

Luxembourg (+352)

Macao (+853)

Macedonia (+389)

Madagascar (+261)

Malawi (+265)

Malaysia (+60)

Maldives (+960)

Mali (+223)

Malta (+356)

Marshall Islands (+692)

Martinique (+596)

Mauritania (+222)

Mauritius (+230)

Mayotte (+262)

Mexico (+52)

Micronesia (+691)

Moldova (+373)

Monaco (+377)

Mongolia (+976)

Montenegro (+382)

Montserrat (+1-664)

Morocco (+212)

Mozambique (+258)

Myanmar (+95)

Namibia (+264)

Nauru (+674)

Nepal (+977)

Netherlands (+31)

New Caledonia (+687)

New Zealand (+64)

Nicaragua (+505)

Niger (+227)

Nigeria (+234)

Niue (+683)

Norfolk Island (+672)

North Korea (+850)

Northern Mariana Islands (+1-670)

Norway (+47)

Oman (+968)

Pakistan (+92)

Palau (+680)

Palestinian Territory (+970)

Panama (+507)

Papua New Guinea (+675)

Paraguay (+595)

Peru (+51)

Philippines (+63)

Pitcairn (+870)

Poland (+48)

Portugal (+351)

Puerto Rico (+1-787)

Qatar (+974)

Republic of the Congo (+242)

Reunion (+262)

Romania (+40)

Russia (+7)

Rwanda (+250)

Saint Barthelemy (+590)

Saint Helena (+290)

Saint Kitts and Nevis (+1-869)

Saint Lucia (+1-758)

Saint Martin (+590)

Saint Pierre and Miquelon (+508)

Saint Vincent and the Grenadines (+1-784)

Samoa (+685)

San Marino (+378)

Sao Tome and Principe (+239)

Saudi Arabia (+966)

Senegal (+221)

Serbia (+381)

Seychelles (+248)

Sierra Leone (+232)

Singapore (+65)

Sint Maarten (+599)

Slovakia (+421)

Slovenia (+386)

Solomon Islands (+677)

Somalia (+252)

South Africa (+27)

South Georgia and the South Sandwich Islands (+500)

South Korea (+82)

South Sudan (+211)

Spain (+34)

Sri Lanka (+94)

Sudan (+249)

Suriname (+597)

Svalbard and Jan Mayen (+47)

Swaziland (+268)

Sweden (+46)

Switzerland (+41)

Syria (+963)

Taiwan (+886)

Tajikistan (+992)

Tanzania (+255)

Thailand (+66)

Togo (+228)

Tokelau (+690)

Tonga (+676)

Trinidad and Tobago (+1-868)

Tunisia (+216)

Turkey (+90)

Turkmenistan (+993)

Turks and Caicos Islands (+1-649)

Tuvalu (+688)

U.S. Virgin Islands (+1-340)

Uganda (+256)

Ukraine (+380)

United Arab Emirates (+971)

United Kingdom (+44)

United States (+1)

United States Minor Outlying Islands (+1)

Uruguay (+598)

Uzbekistan (+998)

Vanuatu (+678)

Vatican (+379)

Venezuela (+58)

Vietnam (+84)

Wallis and Futuna (+681)

Western Sahara (+212)

Yemen (+967)

Zambia (+260)

Zimbabwe (+263)

Opinion by Raj W | Opined

Importance of co-education