 How to call:
00 - Exit code when making an international call from French Guiana
30 - Greek country code for inbound calls
2722 - Messini city code
00 + 30 + 2722 + Local Number - International dialing code format
 World Times:
The time in French Guiana is now 10:32:27 AM (10:32:27 AM)
The time in Messini Greece is now 16:32:27 PM (04:32:27 PM)
 Mobile codes:
To call a mobile phone in Greece from French Guiana use the following dialing code format: 00 + 30 + Mobile Code* + The Number
*Greece has multiple mobile carriers: 690 (WIND), 693 (WIND), 694 (Vodafone), 695 (Vodafone), 697 (Cosmote), 698 (Cosmote), 699 (WIND)
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