00 - Vietnam exit code to dial first when calling international
81 - Japanese country code must be dialed next
00 +
81 +
Local Number - Overall dialing code format
World Times:
The time in Vietnam is now 06:17:38 AM(06:17:38 AM)
The time in Japan is now 08:17:38 AM(08:17:38 AM)
How to call Japan from Vietnam:
World Times:
Mobile Codes: