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 03:58:37 AM(03:58:37 AM)
The time in Vietnam is now 08:58:37 AM(08:58:37 AM)
How to call Vietnam from Bulgaria:
World Times:
Mobile Codes: