00000000+878Uruguay&0000000000059800000000+598Uzbekistan&0000000000099800000000+998Vanuatu&0000000000067800000000+678Venezuela&0000000000058000000000+58Vatican City State (Holy See)&0000000000039066000000+39 066, assigned +379Vietnam&0000000000084000000000+84Virgin Islands, British&0000000000012840000000+1 284[8]Virgin Islands, US&0000000000013400000000+1 340[8]Wake Island&0000000000018080000000+1 808[8]Wallis and Futuna&0000000000068100000000+681Yemen&0000000000096700000000+967Zambia&0000000000026000000000+260Zanzibar&0000000000025500000000+255Zimbabwe&0000000000026300000000+263History[සංස්කරණය]CCITT, the predecessor of the ITU Telecommunication Standardization Sector (ITU-T), developed the first formal list of telephone country codes. This list was included in the 1964 CCITT Blue Book, among other international telecommunication recommendations, which would eventually become ITU-T recommendation E.164.An earlie