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Sint Maarten Country Code: +1 721
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+1 721
Sint Maarten · ISO code SX
To call Sint Maarten from another country, dial your exit code, then 1 721, then the local number. There is no trunk prefix: dial the 10-digit number after the 1.
How to call Sint Maarten
| Calling from | Dial |
|---|---|
| USA or Canada | 1 721 + 7-digit number |
| United Kingdom, Europe and most countries | 00 1 721 + number |
| Australia | 0011 1 721 + number |
| Any mobile phone | +1 721 + number |
In international (E.164) format, which most apps and sign-up forms expect, a Sint Maarten number is written as +1 721 followed by the number with no spaces or leading 0.
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Frequently asked questions
What is the country code of Sint Maarten?
The country code of Sint Maarten is +1 721. Sint Maarten is part of the North American Numbering Plan, so it uses country code +1 with area code 721.
How do I call Sint Maarten from the USA?
From the USA dial 1 721 + 7-digit number. From a mobile phone you can type +1 721 followed by the rest of the number.
Which country uses +1 721?
+1 721 is the calling code of Sint Maarten.