 How to call:
011 - Exit code when making an international call from Guam
84 - Vietnamese country code for inbound calls
8 - Ho Chi Minh City city code
011 + 84 + 8 + Local Number - International dialing code format
 World Times:
The time in Guam is now 13:25:22 PM (01:25:22 PM)
The time in Ho Chi Minh City Vietnam is now 10:25:22 AM (10:25:22 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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