Instructions for calling from the UK to international locations requires special calling codes that allow you to connect to countries outside of the United Kingdom.
Calling out to French Guiana
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call French Guiana, dial 00594 and then enter the phone number of the person or location you’re trying to reach. If the phone number is displayed with a leading +594 omit the 594 and replace it with the UK international dialing code of 00. For example:
Phone Number in French Guiana
Dialed from the United Kingdom
+594 xxx xx xx xx
00 xxx xx xx xx
594 17 77 99
00 594 17 77 99
How to call the UK from French Guiana
To call a landline or mobile phone in the United Kingdon from French Guiana, dial 00 44, then dial the UK phone number, minus the leading zero. For example: