 How to call:
00 - Exit code when making an international call from Vietnam
359 - Bulgarian country code for inbound calls
52 - Varna city code
00 + 359 + 52 + Local Number - International dialing code format
 World Times:
The time in Vietnam is now 21:18:19 PM (09:18:19 PM)
The time in Varna Bulgaria is now 17:18:19 PM (05:18:19 PM)
 Mobile codes:
To call a mobile phone in Bulgaria from Vietnam use the following dialing code format: 00 + 359 + Mobile Code* + The Number
*Bulgaria has multiple mobile carriers: 48, 87 (Vivacom), 88 (Mobiltel), 89 (Globul), 988 (Other mobile networks)
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