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 12:28:41 PM(12:28:41 PM)
The time in Vietnam is now 16:28:41 PM(04:28:41 PM)
How to call Vietnam from Bulgaria:
World Times:
Mobile Codes: