Sint Maarten Area Code Information
Sint Maarten Area Codes
Sint Maarten is currently using one area code. Sint Maarten does not utilize any area code overlays. Previously Sint Maarten used country code 599.
Effective September 30, 2011 callers began using area code 721, however, the use of the country code 599 was also permitted. The use of area code 721 became mandatory on September 30, 2012.
Changes and History of Sint Maarten Area Codes:
Area code 721 was put into service.
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