Network & carriers
Sint Maarten's telecom market is served by TelCell and Flow as the major carriers.
+1-721 · SX · UTC-4
Sint Maarten
Country Code & Virtual Numbers
Sint Maarten shares the +1 code with the US and Canada, using its own dedicated 721 area code. Capital: Philipsburg · Business hours: 8:00 AM–4:00 PM EST.
// The Basics
What is the +1-721 country code?
Numbering format
Sint Maarten numbers follow the NANP 10-digit format using the dedicated 721 area code.
Calling culture
Business culture in Sint Maarten blends Dutch and Caribbean influences — a warm, courteous opening typically precedes business matters.
Did you know
Sint Maarten shares its island with French Saint Martin — one of the smallest landmasses in the world divided between two sovereign nations.
// Quick Facts
A quick read on Sint Maarten numbers.
Sint Maarten numbers follow the same 10-digit NANP format as the US, using the territory's dedicated 721 area code.
Best time to call Sint Maarten from the US
Sint Maarten is on UTC-4 · Business hours = – EST · Mon–Fri
// Why a Virtual Number
Why get a Sint Maarten virtual number?
A +1-721 virtual number gives your business instant local presence in Sint Maarten — without the overhead.
Local caller ID in Sint Maarten
When you call from your virtual Sint Maarten number, contacts see a local +1-721 number — dramatically improving answer rates.
No office needed
Establish a local presence in Sint Maarten without renting space, hiring locally, or installing any hardware.
Instant credibility
A recognizable 721 area code helps build trust with local consumers, distinguishing genuine local presence from generic +1 callers.
Routes to any device
Calls to your Sint Maarten number ring your team on mobile, desktop, or desk phone — wherever they work.
Free tools
Look up a number from Sint Maarten
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Frequently Asked
Sint Maarten questions answered.
Answers about Sint Maarten's NANP numbering, business culture, and getting a local virtual number.
Dial 011 (the US exit code), then 1-721, then the national number, leaving out any domestic trunk prefix (such as a leading 0).
Start calling Sint Maarten, not tomorrow.
Get a virtual Sint Maarten number or make direct international calls to +1-721 — active in under ten minutes.