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 16:07:12 PM(04:07:12 PM)
The time in Vietnam is now 22:07:12 PM(10:07:12 PM)
How to call Vietnam from Congo:
World Times:
Mobile Codes: