Calling French Guiana from the United States explained:
- 011 - US exit code; have to be dialed first for all international calls made from the US/Canada number plan
- 594 - international country code for French Guiana
- US to French Guiana international dialing format : 011 + 594 + individual phone number
Information about country:
French Guiana is an overseas department of France, located on the northern coast of South America. Like the other DOMs, French Guiana is also an overseas region of France, one of the 26 regions of France, and is an integral part of the French Republic. Like metropolitan France, its currency is the euro. The prefecture is Cayenne.