International dialing guide
Sint Maarten country code (+1-721)
The international country code for Sint Maarten is +1-721. Use this prefix after your exit code when calling Sint Maarten from another country, or dial the full E.164 number (+1721…) with Ringvoo from your browser.
What is the Sint Maarten country code?
Country code +1-721 identifies phone numbers registered in Sint Maarten. When you call from abroad, you dial your international access code (00 in most countries, 011 from the US/Canada), then 1721, then the local number. With Ringvoo, paste the full number including +1721 and we handle the routing.
How to dial Sint Maarten from abroad
- Dial your international exit code (00 in most countries, 011 from the US/Canada).
- Enter Sint Maarten's country code 1721.
- Add the local phone number, dropping any leading trunk zero if your carrier requires it.
- Or open Ringvoo, paste the full E.164 number (+1721…), and call from your browser.
Example numbers for Sint Maarten
Frequently asked questions
What is the country code for Sint Maarten?
The international dialing code for Sint Maarten is +1-721. Include it after your exit code when calling from abroad.
How do I call Sint Maarten from the United States?
Dial 011 (US exit code), then 1721, then the local number. Or use Ringvoo and enter the full +1721 number in your browser.
Can I call Sint Maarten without downloading an app?
Yes. Ringvoo runs in Chrome, Safari, or Edge and connects to real phone numbers in Sint Maarten — no app install required.
Do I need to drop the leading zero when dialing Sint Maarten?
When using the international format (+1721), omit any leading 0 from the local number. Ringvoo accepts E.164 numbers directly.