Sint Maarten Country Code — +1-721
+1-721 is the international dialling code for Sint Maarten. Numbers in Sint Maarten start with this prefix when dialled from abroad.
| Field | Value |
|---|---|
| Country | Sint Maarten |
| Dialling code | +1-721 |
| ISO code | SX / SXM |
| Region | Americas · Latin America and the Caribbean |
| Capital | Philipsburg |
| Languages | nl,en |
| Currency | XCG — Caribbean Guilder |
| Internet TLD | .sx |
How to call Sint Maarten
To call Sint Maarten from another country, dial your international access prefix, then 1 721, then the local number.
- From the United States or Canada: 011 1 721, then the local number.
- From most other countries: 00 1 721, then the local number (some countries use 0011, 010 or another carrier prefix — check your operator).
- From a mobile phone abroad: +1 721 works on almost every network.
Sint Maarten uses the North American Numbering Plan, so numbers are +1 + area code + 7 digits. Dialling is exactly the same as calling the US or Canada, and 10-digit dialling applies.
Other countries in Americas
Frequently asked questions
What country is +1-721?
+1-721 is the international dialling code for Sint Maarten, with capital Philipsburg.
How do I call Sint Maarten from the US?
Dial 011, then 1 721, then the local number. From a mobile phone you can also dial +1 721 followed by the local number.
Is calling Sint Maarten the same as calling the US?
Yes for dialling. Numbers use +1, a 3-digit area code and 7 digits, but your carrier may still bill it as an international call.