Sint Maarten (+1-721) access code quick guide.
Sint Maarten's casino and tourism economy needs reliable voice. Ringflow gives you a local +1-721 DID — active on day one, routing to Philipsburg on NANP.
Everything about calling Sint Maarten.
Sint Maarten shares the North American Numbering Plan — dial +1-721 then seven digits. The Dutch side of the island shares its airport and open border with the French Saint-Martin.
Sint Maarten country information
Three ways to call Sint Maarten right now.
NANP dialing: +1-721 plus seven digits. Ringflow routes via Caribbean DID infrastructure for consistent quality to Philipsburg.
Direct calls using landlines & mobile phones
Dial Sint Maarten directly from any landline or mobile by entering your international exit code, then the country code +1-721, and finally the local number.
International calling cards for Sint Maarten
Pre-paid international calling cards remain a convenient, low-cost way to reach Sint Maarten. Each card gives you a PIN and an access number to place global calls.
VoIP services for contacting Sint Maarten
VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Sint Maarten over the internet, usually at far lower rates than traditional carriers.
Sint Maarten at a glance.
A constituent country of the Kingdom of the Netherlands on the southern half of an island shared with France. Philipsburg is the capital. Princess Juliana Airport is famous for its low-altitude final approach.
How to call Sint Maarten.
Dial +1, then 721, then the seven-digit local number. No separate exit code needed from most VoIP platforms.
Number anatomy
Start with the exit prefix
Press + on a mobile (hold the 0 key), or dial 00 from most countries, or 011 from North America.
Add the Sint Maarten code
Dial +1-721. This identifies Sint Maarten on the global telephone network.
Enter the area or mobile prefix
Type the first part of the local number. Drop the leading 0 if there is one.
Finish with the subscriber number
The remaining digits route the call to the specific line in Philipsburg or elsewhere.
Dialling Sint Maarten (+1-721) from other countries
The exit prefix changes by origin; the Sint Maarten code stays +1-721.
| Calling from | Exit prefix | You dial, then the national number |
|---|---|---|
| United States & Canada | 1 | 1721 |
| United Kingdom & most of Europe | 00 | 00 1721 |
| Australia | 0011 | 0011 1721 |
| Japan | 010 | 010 1721 |
| Any mobile (E.164) | + | +1-721 |
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FAQ
Calling Sint Maarten, answered.
What tourism and casino operators ask before dialling Sint Maarten on +1-721.
Connect to Sint Maarten on carrier-grade Caribbean routes.
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Dialling Sint Maarten without misdialling
Sint Maarten’s calling code is +1-721 , which puts it in the North American Numbering Plan — the United States, Canada and 20-odd Caribbean territories, all sharing +1. No other country's calling code is one digit away from +1-721, so a mistyped digit fails rather than connecting somewhere unexpected.
Other Americas countries in the same numbering zone: Anguilla +1-264, Antigua and Barbuda +1-268, Bahamas +1-242, Barbados +1-246, Bermuda +1-441. Sint Maarten's capital is Philipsburg.