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First Letter U Used Countries | A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z | | Country Names | ISD Codes | | Uganda (Republic of) | +256 | | | Ukraine | +380 | | | United Arab Emirates | +971 | | | United Kingdom of Great Britain and Northern Ireland | +44 | | | United States of America | +1 | | | United States Virgin Islands | +1 | | | Uruguay (Eastern Republic of) | +598 | | | Uzbekistan (Republic of) | +998 | |
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