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 23:57:22 PM(11:57:22 PM)
The time in Vietnam is now 03:57:22 AM(03:57:22 AM)
How to call Vietnam from Bulgaria:
World Times:
Mobile Codes: