How to call:
011 - Exit code when making an international call from Guam
84 - Vietnamese country code for inbound calls
4 - Hanoi city code
011 + 84 + 4 + Local Number - International dialing code format
World Times:
The time in Guam is now 09:59:10 AM (09:59:10 AM)
The time in Hanoi Vietnam is now 06:59:10 AM (06:59:10 AM)
Mobile codes:
To call a mobile phone in Vietnam from Guam use the following dialing code format: 011 + 84 + 9# + The Number
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