 How to call:
00 - Exit code when making an international call from Oman
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 Oman is now 09:54:27 AM (09:54:27 AM)
The time in Da Nang City Vietnam is now 12:54:27 PM (12:54:27 PM)
 Mobile codes:
To call a mobile phone in Vietnam from Oman use the following dialing code format: 00 + 84 + 9# + The Number
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