The Sint Maarten country code is +1 — the SAME North American Numbering Plan +1 as the US + Canada, reached through the area code 721. The Dutch southern half of the island of Saint Martin — a duty-free shopping + cruise hub famous for Princess Juliana Airport. Sint Maarten bank verifications all expect a +1 721 mobile.
Sint Maarten shares the +1 country code of the North American Numbering Plan with the US + Canada. It is reached with +1 followed by its single area code — 721 — then a 7-digit local number, blanketing the Dutch southern half of the island.
Sint Maarten does NOT have a unique country code — it is part of the North American Numbering Plan (NANP) and uses <b>+1</b>, the same code as the US + Canada. A Sint Maarten number is <b>+1</b> followed by its area code <b>721</b>, then a 7-digit local number: <code>+1 721 123 4567</code> = 10 digits after +1. From North America you reach it almost like a domestic call (no 011), but it is a separate constituent country billed at international rates. ITU zone 1.
Sint Maarten's telecom industry is regulated by the BTP (Bureau Telecommunication & Post Sint Maarten). Two main carriers serve the market: <b>TelCell</b> + <b>Flow</b> (operated by UTS / Liberty Latin America). Both issue mobile numbers across the 721 area code. The 721 code was activated in 2011 when Sint Maarten left the old +599 Netherlands Antilles plan + joined the NANP.
Sint Maarten uses a <b>single nationwide area code, 721</b>, covering the whole Dutch southern part of the island. IMPORTANT: the island is shared by two nations — the smallest landmass in the world split between two countries. The <b>French northern part, Saint-Martin, is NOT in the NANP</b>; it uses the French country code <b>+590</b>. So Dutch <b>Sint Maarten = +1 721</b> and French <b>Saint-Martin = +590</b>, even though you can walk between them with no border post. Ten-digit dialing (721 + number) is standard.
Sint Maarten is home to Princess Juliana International Airport — where jets roar just metres over sunbathers on Maho Beach. The Dutch south side is a duty-free shopping + cruise hub, with Philipsburg's Front Street packed when cruise ships dock. The island is the smallest landmass in the world shared by two nations — Dutch Sint Maarten (+1 721) and French Saint-Martin (+590) — and its dual identity, beaches + nightlife make it one of the Caribbean's most popular destinations. Sint Maarten banks verify with +1 721 mobile OTPs.
A Sint Maarten phone number in international format is written as +1 721 [7-digit local]. Example: +1 721 123 4567. The 721 area code covers the entire Dutch side of the island — there is no leading 0 to drop and no second area code.
Because Sint Maarten is part of the NANP, from the US + Canada you simply dial 1 + 721 + 7 digits (no 011 prefix needed). From everywhere else you dial your exit code, then 1, then 721 + number. On any mobile, + replaces the exit code: +1 721 123 4567 works worldwide. The French side (Saint-Martin) is a different code entirely — +590.
From Front Street in Philipsburg to the jets over Maho Beach, every Sint Maarten number lives behind +1 with the 721 area code. One nationwide code covers the whole Dutch side — pick it to sound local across the island.
Because Sint Maarten is part of the NANP, callers in the US + Canada dial it almost like a domestic call: 1 + 721 + number, no 011. From everywhere else, use your exit code then 1. From any mobile, + replaces the exit code — so +1 721 123 4567 works worldwide. There is no leading 0 to drop.
11 721 XXX XXXX+1 721 XXX XXXX11 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX00110011 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX11 721 XXX XXXX+1 721 XXX XXXX11 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX00 2100 21 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXX010010 1 721 XXX XXXX+1 721 XXX XXXX0000 1 721 XXX XXXX+1 721 XXX XXXXTip: Sint Maarten uses one area code — 721 — covering the whole Dutch side. From the US/Canada you do NOT dial 011; it is within the +1 NANP (but still billed at international rates). The French side of the island, Saint-Martin, is a different country code entirely: +590.
+1 721 reaches the Dutch side of one of the Caribbean's most popular destinations — a cruise, duty-free + tourism hub. Sint Maarten banks, resorts + service businesses all verify + connect with +1 721.
Sint Maarten banks, wallets + government services verify with +1 721 mobile OTPs. A local 721 number lets you receive those codes + sign up for island services from anywhere — essential for anyone banking or doing business on the Dutch side.
Sint Maarten is a major cruise + duty-free shopping hub — Philipsburg's Front Street fills when ships dock at Great Bay. Resorts, dive shops, excursion operators, villa rentals + Front Street retailers all run on +1 721 lines, ideal for any hospitality or travel business serving island guests.
Because Sint Maarten shares the +1 NANP with the US + Canada, North American callers dial it with just 1 + 721 + number — no 011, no exit-code fuss. A +1 721 line feels effortless to reach from the US + Canada, where many visitors + second-home owners come from.
Sint Maarten is a constituent country of the Kingdom of the Netherlands, with strong Dutch + US ties + English widely spoken. A +1 721 number bridges Caribbean, Dutch + North American business + family contacts on a single local identity.
Sint Maarten runs on AST (UTC−4) year-round with no DST — overlapping cleanly with the US East Coast (especially in summer) + the rest of the Caribbean. Business + family calls land in convenient hours.
Sint Maarten anchors the Dutch side of the world's smallest two-nation island. A +1 721 number plus a French Saint-Martin +590 line covers both halves — perfect for businesses operating across the open Dutch/French border, beaches + nightlife strip.
Pick a +1 721 number — covering the whole Dutch side — and start calling, texting + receiving Sint Maarten bank + service OTPs from real island customers + cruise-season visitors.
Same six features come standard on every CallMama Sint Maarten number — no upsell tiers, no per-feature charges.
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Your Sint Maarten line is live. Start dialing, texting, and being reached — exactly the way a local would.
Name, country code, ISO 3166 alpha-2 & alpha-3, exit code, and ITU zone. Filter by continent or search by name or code.
| Country | Code | ISO-2 | ISO-3 | Exit | Zone |
|---|---|---|---|---|---|
| Afghanistan | +93 | AF | AFG | 00 | 9 |
| Albania | +355 | AL | ALB | 00 | 3 |
| Algeria | +213 | DZ | DZA | 00 | 2 |
| American Samoa | +1 | AS | ASM | 011 | 1 |
| Andorra | +376 | AD | AND | 00 | 3 |
| Angola | +244 | AO | AGO | 00 | 2 |
| Anguilla | +1 | AI | AIA | 011 | 1 |
| Antarctica | +672 | AQ | ATA | 00 | 6 |
| Antigua and Barbuda | +1 | AG | ATG | 011 | 1 |
| Argentina | +54 | AR | ARG | 00 | 5 |
| Armenia | +374 | AM | ARM | 00 | 3 |
| Aruba | +297 | AW | ABW | 00 | 2 |
| Australia | +61 | AU | AUS | 0011 | 6 |
| Austria | +43 | AT | AUT | 00 | 4 |
| Azerbaijan | +994 | AZ | AZE | 00 | 9 |
| Bahamas | +1 | BS | BHS | 011 | 1 |
| Bahrain | +973 | BH | BHR | 00 | 9 |
| Bangladesh | +880 | BD | BGD | 00 | 8 |
| Barbados | +1 | BB | BRB | 011 | 1 |
| Belarus | +375 | BY | BLR | 810 | 3 |
+1 721 123 4567.1 721 123 4567. On any mobile you can also dial +1 721 123 4567.00 1 721 123 4567. Or simply use +1 721 123 4567 from any UK mobile.+1 721 [7-digit local]. Example: +1 721 123 4567. There is no leading 0 + no second area code — 721 is the single nationwide code for the Dutch side. A mobile follows the same pattern: +1 721 XXX XXXX.+1 721 123 4567.One tap to install. One more to call. It really is that simple.