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?
Sint Maarten's international dialing code is assigned by the ITU (International Telecommunication Union) and used for every call placed from outside the country.
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. Rozper stores and dials contacts in full E.164 format automatically, so you never have to think about the formatting.
Want to call Sint Maarten from abroad? Dial your local exit code, then 1-721, then the local number.
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.
// Platform Features
Everything to call Sint Maarten
The tools to reach Sint Maarten contacts reliably and scale your international presence globally.
150+ country coverage
Get virtual numbers in over 150 countries on the same platform — one dashboard, one bill.
HD voice quality
Crystal-clear calls over our optimised global carrier network. No degraded quality from international routing.
Call recording
Every call recorded and transcribed automatically. Review, share, and reference conversations easily.
Voicemail to text
Voicemails transcribed and delivered by email or SMS. Never miss a message across time zones.
CRM auto-logging
All calls to and from your international number auto-logged in Salesforce, HubSpot, or Zoho.
International analytics
Call volume, answer rates, and duration broken down by country, region, and time of day.
Local Caller ID
Show a local country number as your caller ID when dialling internationally. Improves pickup rates significantly.
Instant provisioning
Activate a new country number in under 60 seconds. No contracts, no hardware, no waiting.
99.99% uptime SLA
Enterprise-grade reliability for your international calling infrastructure, 24/7.
// Get Started
Get a Sint Maarten number today
Active in under ten minutes. No contracts required.
- 01
Sign up
Create your Rozper account in under 2 minutes. No credit card required to start your free trial.
- 02
Get your number
Browse available numbers in your target country and activate instantly.
- 03
Configure routing
Route calls to any device. Set business hours, voicemail, and IVR from your dashboard.
- 04
Start calling globally
Make and receive international calls immediately. Active in under 10 minutes.
// Complete List
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Every country and territory, every international dial code. Click a country to browse it.
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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.
The international dialing code for Sint Maarten is +1-721. When calling from the US, dial 011 + 1-721 + the local number. Rozper handles this automatically.
A Sint Maarten virtual number goes live in under 10 minutes. Ask us how.
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.