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 11:04:53 AM(11:04:53 AM)
The time in Vietnam is now 17:04:53 PM(05:04:53 PM)
How to call Vietnam from Austria:
World Times:
Mobile Codes: