French Guiana and Réunion have separate country codes from metropolitan France, although they are treated as part of the French numbering plan, with direct dialing for calls between the DOMs (including collectivités territoriales ) and metropolitan France. Calls between the DOMs and metropolitan France require only the '0' to be dialed.Since 2001, telephone numbers in the DOMs have followed the same ten-digit format as metropolitan France, with the country code being as a geographical area code, e.g: Guadeloupe From France: Fixed phone line:0590 xxx xxx Mobile phone line:0690 xxx xxx Outside France: Fixed phone line:+590 590 xxx xxx Mobile phone line:+590 690 xxx xxx French Guiana From France: Fixed phone line:0594 xxx xxx Mobile phone line:0694 xxx xxx Outside France: Fixed phone line:+594 594 xxx xxx Mobile phone line:+594 694 xxx xxx Martinique From France: Fixed phone line:0596 xxx xxx Mobile phone line:0696 xxx xxx Outside France: Fixed phone line:+596 596 xxx xxx Mobile phone line:+596 696 xxx xxx Réunion From France: Fixed phone line:0262 xxx xxx Mobile phone line:0692 xxx xxx Outside France: Fixed phone line:+262 262 xxx xxx Mobile phone line:+262 692 xxx xxx Before March 30, 2007, the collectivité départementale of Mayotte country code +269, shared with the Comoros : From France, including Mayotte:0269 xxx xxx From Comoros:xxx xxx Outside France and Comoros:+269 xxx xxx On March 30, 2007, Mayotte adopted the +262 code, by Réunion, and a new numbering range will be introduced for mobile phones: From France: Fixed phone line:0269 xxx xxx Mobile phone line:0639 xxx xxx Outside France: Fixed phone line:+262 269 xxx xxx Mobile phone line:+262 639 xxx xxx Calls to Saint Pierre and Miquelon require only '0', country code and the subscriber's six-digit number, eg: From France:0508 xxx xxx Outside France:+508 xxx xxx Calls to and from the territoires d'outre mer , however, require full international dialing, hence the international access code and country code must be used Paris from New Caledonia:00 33 1 xx xx xx xx, New Caledonia from Paris:00 687 xxx xxx