What is Vientiane dialing code?

HZ travel tools > Country codes > Laos > Vientiane area code

Vientiane area code is 21  

+856 is the international country code for Laos and
21 is the area code for Vientiane
Time in Vientiane : 10:17 PM Mon, 31 Aug 2015

Laos time zones Vientiane time difference Distance from Vientiane