Telephone numbers in the Netherlands Antilles

[+] County Calling Code

+599 is the country calling code used in the Netherlands Antilles. It is currently used in the Dutch Territories of Bonaire, Curaçao, Saba, Sint Eustatius, and Sint Maarten. Sint Maarten was scheduled to join the North American Numbering Plan (NANP) on May 31, 2010;^[1] however, the date of that change has been delayed.^[2]

[+] Area codes

Originally each island had an area code each with the length of the local numbering varying from island to island (Curaçao had six while Bonaire had only four), however beginning in 1999, the numbers were modified so that each local number was seven digits long. This change left the islands without any area codes, except for Curaçao, which has the area code of 9 along with the seven digit local number.

[+] Sint Maarten joining NANP

On October 2, 2009, the North American Numbering Plan Administration announced that it had approved the request of Sint Maarten's government to join the NANP and had assigned the territory area code 721. Sint Maarten's country code will also change to the NANP standard of +1. When NANP dialing begins, the new code will be on "permissive dialing" for six months and become mandatory at the end of that period. A recorded message reminding callers to the +599 numbers to use +1-721 will thereafter remain active for one full year.^[1]

[+] List of area codes and number ranges in the Netherlands Antilles

[+] Notes and references

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