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 16:21:38 PM(04:21:38 PM)
The time in Japan is now 18:21:38 PM(06:21:38 PM)
How to call Japan from Vietnam:
World Times:
Mobile Codes: