 How to call:
002 - Exit code when making an international call from Taiwan
84 - Vietnamese country code for inbound calls
4 - Hanoi city code
002 + 84 + 4 + Local Number - International dialing code format
 World Times:
The time in Taiwan is now 05:23:10 AM (05:23:10 AM)
The time in Hanoi Vietnam is now 04:23:10 AM (04:23:10 AM)
 Mobile codes:
To call a mobile phone in Vietnam from Taiwan use the following dialing code format: 002 + 84 + 9# + The Number
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