 How to call:
001 - Exit code when making an international call from Guyana
84 - Vietnamese country code for inbound calls
8 - Ho Chi Minh City city code
001 + 84 + 8 + Local Number - International dialing code format
 World Times:
The time in Guyana is now 06:41:01 AM (06:41:01 AM)
The time in Ho Chi Minh City Vietnam is now 17:41:01 PM (05:41:01 PM)
 Mobile codes:
To call a mobile phone in Vietnam from Guyana use the following dialing code format: 001 + 84 + 9# + The Number
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