This is the telephone dialing code for Vientiane, the capital and largest city of Laos.
How to Call Vientiane from Overseas
- Dial your country's exit code (International Access Code)
- Dial 856 (Laos country code)
- Dial the area code (21 for Vientiane)
- Dial the local phone number (7-8 digits)
Example: Calling Vientiane from United States
011 856 21 123 4567
Where:
011 = USA exit code
856 = Laos country code
21 = Vientiane area code
123 4567 = Local Vientiane phone number
Quick Facts
Vientiane Dialing Code Coverage
The +856 21 dialing code covers Vientiane city and surrounding metropolitan areas:
City Center
Downtown Vientiane, government district, commercial areas
Riverside Area
Mekong River waterfront, night markets, restaurants
Chanthabuly District
Main business district, shopping areas, hotels
Sikhottabong District
Residential areas, local communities
Xaysetha District
Embassy area, international organizations
Greater Vientiane
Suburban areas, outskirts, Vientiane Prefecture
Major Laos Area Codes
Common Exit Codes for Calling Laos
When calling Vientiane from these countries, use these exit codes:
United States
011
Australia
0011
European Union
00
Thailand
001
Vietnam
00
China
00