How to call Hanoi in Vietnam from Guyana:
001 - Exit code when making an international call from Guyana
84 - Vietnamese country code for inbound calls
4 - Hanoi city code
001 + 84 + 4 + Local Number - International dialing code format
World time zone information:
The time in Guyana is now 11:55:52 AM (11:55:52 AM)
The time in Hanoi Vietnam is now 22:55:52 PM (10:55:52 PM)
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