 How to call:
00 - Exit code when making an international call from Bulgaria
855 - Cambodian country code for inbound calls
64 - Preah Vihear city code
00 + 855 + 64 + Local Number - International dialing code format
 World Times:
The time in Bulgaria is now 16:09:05 PM (04:09:05 PM)
The time in Preah Vihear Cambodia is now 21:09:05 PM (09:09:05 PM)
 Mobile codes:
To call a mobile phone in Cambodia from Bulgaria use the following dialing code format: 00 + 855 + 9# + The Number
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