00 - Congo 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 Congo is now 03:21:22 AM(03:21:22 AM)
The time in Vietnam is now 09:21:22 AM(09:21:22 AM)
How to call Vietnam from Congo:
World Times:
Mobile Codes: