 How to call:
00 - Exit code when making an international call from Czech Republic
84 - Vietnamese country code for inbound calls
518 - Da Nang City city code
00 + 84 + 518 + Local Number - International dialing code format
 World Times:
The time in Czech Republic is now 05:33:54 AM (05:33:54 AM)
The time in Da Nang City Vietnam is now 11:33:54 AM (11:33:54 AM)
 Mobile codes:
To call a mobile phone in Vietnam from Czech Republic use the following dialing code format: 00 + 84 + 9# + The Number
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