libphonenumber API

Sint Maarten Phone Number Format

Country code +1 · ISO SX

How to format, dial, and validate Sint Maarten phone numbers, with live examples.

Country Code

+1

National Prefix

1

International Prefix

011

Mobile Portability

Yes

Try it now

Pre-filled with a valid fixed line number for Sint Maarten. Edit it and click "Try It" to see the parsed result.

Number Types & Example Formats

Each Sint Maarten phone-number type supported by libphonenumber, with a real example formatted three ways.

Type Length National International E.164
Fixed Line 10 digits (721) 542-5678 +1 721-542-5678 +17215425678
Mobile 10 digits (721) 520-5678 +1 721-520-5678 +17215205678
Personal Number 10 digits (500) 234-5678 +1 500-234-5678 +15002345678
Premium Rate 10 digits (900) 212-3456 +1 900-212-3456 +19002123456
Toll Free 10 digits (800) 212-3456 +1 800-212-3456 +18002123456

How to Dial Sint Maarten Numbers

From abroad

Dial +1 followed by the national number, dropping any leading 1.

Within Sint Maarten

Dial 1 before the local number to make a domestic call.

Dialing out of Sint Maarten

Dial 011 followed by the destination country code and number.

Area Codes

Browse Sint Maarten area codes with cities, timezones, and example numbers for each.

View Sint Maarten area codes →

Validate a Sint Maarten Number with the API

Send the number to the free libphonenumber API to get the parsed country, type, formatting, and validity.

Request 
curl https://libphonenumberapi.com/api/phone-numbers/+17215425678

Frequently Asked Questions

What is the country code for Sint Maarten?

└ The international country code for Sint Maarten is +1. Use this prefix when dialing Sint Maarten numbers from another country.

How long is a Sint Maarten phone number?

└ Sint Maarten phone numbers are typically 10 digits, not including the +1 country code.

How do I dial a Sint Maarten phone number from abroad?

└ From abroad, dial +1 followed by the national number, dropping any leading 1. Within Sint Maarten, dial 1 before the local number.

How do I validate a Sint Maarten phone number programmatically?

└ Send a GET request to https://libphonenumberapi.com/api/phone-numbers/<number>. The free libphonenumber API returns the parsed country, format, type, and validity for any number — no API key required.

Other Countries with Dialing Code +1

These countries share the same international dialing prefix as Sint Maarten.