00 - Bulgaria 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 Bulgaria is now 22:08:59 PM(10:08:59 PM)
The time in Vietnam is now 02:08:59 AM(02:08:59 AM)
How to call Vietnam from Bulgaria:
World Times:
Mobile Codes: