00 - Austria exit code to dial first when calling international
84 - Vietnamese country code must be dialed next
00 +
84 +
Local Number - Overall dialing code format
World Times:
The time in Austria is now 06:18:01 AM(06:18:01 AM)
The time in Vietnam is now 11:18:01 AM(11:18:01 AM)
How to call Vietnam from Austria:
World Times:
Mobile Codes: