+1 is the country code for Sint Maarten

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Calls to Sint Maarten from $0.33/min

+1 explained

The Sint Maarten country code, 1, is what you dial before a Sint Maarten number when you call from abroad. It is also known as the Sint Maarten dialing code, Sint Maarten calling code, or Sint Maarten phone code. In the Sint Maarten phone number format, +1 comes first, then the area code and the local number.

Country code: +1; The 001 country code is the same number
ISO country codes: SX, SXM; Use the SX country code or the SXM country code on forms and passports. To call Sint Maarten, dial +1
Used in: Sint Maarten; Also on +1: Antigua and Barbuda, Anguilla, American Samoa, Barbados, Bermuda, Bahamas, Canada, Dominica, Dominican Republic, Grenada, Guam, Jamaica, St Kitts and Nevis, Cayman Islands, St Lucia, Northern Mariana Islands, Montserrat, Puerto Rico, Turks and Caicos, Trinidad and Tobago, United States, St Vincent, British Virgin Islands, and US Virgin Islands
Exit code: 00; From most countries. Also 011 from United States and Canada, 0011 from Australia, and + from any mobile
Trunk prefix: None; Keep every digit after +1
Number length: 10 digits; After +1
Time now in Sint Maarten
Sint Maarten mobile number format: (721) 520-5678; From abroad: +1 721 520 5678
Sint Maarten landline number format: (721) 542-5678; From abroad: +1 721 542 5678

Sint Maarten phone number types

The first digits of a Sint Maarten number tell you what kind of number it is: a landline, a mobile, a free number, or one that costs more to call. Here is a sample of each type of Sint Maarten phone number, as dialed inside Sint Maarten and from abroad.

Type	Inside Sint Maarten	From abroad
LandlineStarts with 721, the area code	(721) 542-5678	+1 721 542 5678
MobileStarts with 721, the same as landlines	(721) 520-5678	+1 721 520 5678
Toll-freeStarts with 8	(800) 212-3456	+1 800 212 3456
Personal numberStarts with 500	(500) 234-5678	+1 500 234 5678
Premium rateStarts with 9	(900) 212-3456	+1 900 212 3456

Good to know before you call Sint Maarten

Sound like a local

“Hello”

The English word for answering a call. No source names a different way people in Sint Maarten answer the phone

Sint Maarten joined the North American Numbering Plan on 27 July 2011, when NANPA granted it area code 721.
Wikipedia: Area code 721
Before that, Sint Maarten's numbers used country code 599, once shared by the whole Netherlands Antilles.
Wikipedia: Area code 721
BTP, the regulator that issues Sint Maarten's phone numbers, was established on 10 October 2010.
BTP, Bureau Telecommunicatie en Post
BTP, the telecom regulator, said joining the plan would integrate Sint Maarten's economy more closely with North America and the Caribbean.
BTP, Sint Maarten's numbering plan

What it costs to call Sint Maarten (using Suparelay)

Landline from $0.33/min

Only 80 of 221 countries cost less to call than Sint Maarten.

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Price per minute

4¢5¢7¢10¢15¢20¢30¢50¢+

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Why a call to Sint Maarten fails

You call from: 🇦🇺 Australia

You dialed an extra exit code

Sint Maarten shares the North American Numbering Plan. A call from the US or Canada to 1 721 and the number is long distance, not international, so it needs no exit code.

Connects: 0011 1 721 542 5678
Does not connect: 00 1 721 542 5678

The 1-800 number does not connect

Numbers that start with 800 are toll-free because Sint Maarten shares the North American Numbering Plan.

Connects: 0011 1 721 542 5678
Does not connect: 0011 1 800 212 3456

Questions about +1

What is the country code for Sint Maarten?

Sint Maarten dials with +1 721. It shares the +1 code with the United States, Canada, and other Caribbean islands, and 721 is its own area code inside that plan.

How do I dial Sint Maarten from abroad?

From most countries, dial 00 1 721 and the 7-digit number. From the US or Canada, dial 1 721 and the number directly, since it counts as a long-distance call.