001 - Hong Kong exit code to dial first when calling international
81 - Japanese country code must be dialed next
001 +
81 +
Local Number - Overall dialing code format
World Times:
The time in Hong Kong is now 17:55:53 PM(05:55:53 PM)
The time in Japan is now 18:55:53 PM(06:55:53 PM)
How to call Japan from Hong Kong:
World Times:
Mobile Codes: