Your complete guide to dialling Sint Maarten from Philipsburg to anywhere in the world — verified +1-721 country code, America/Lower_Princes time zone, Americas region, ISO references, live local time and weather, plus a step-by-step walkthrough.
Calling
Sint Maarten
+1-721
Philipsburg
Weather
HD voice signal
Alpha-2
SX
Alpha-3
SXM
Sint Maarten
SX
2 Digit ISO
+1-721
Country Calling Code
SXM
3 Digit ISO
Capital
Philipsburg
Time zone
America/Lower_Princes
Weather · Philipsburg
Humidity
Wind
Sint Maarten
+1-721
Capital
Philipsburg
Region
Americas
Time zone
America/Lower_Princes
Coordinates
18.04°, -63.06°
Numbering zone
Zone 1
Code length
1 digit
Several routes connect you to Sint Maarten (+1-721) landlines, calling cards and modern VoIP services. Pick the one that fits your call volume and budget.
Dial your exit code (011 (North America) or 00 (most other countries)), enter +1-721, then the local Sint Maarten number — dropping any leading 0. Sint Maarten's 1-digit country code puts it in ITU Zone 1 of the global E.164 numbering plan.
Sint Maarten is in ITU Zone 1 — one of the lowest-cost destinations for pre-paid cards globally. Factor in the America/Lower_Princes time zone when planning the call.
Apps like Skype, WhatsApp and Viber, and business VoIP from TKOS are the cheapest route to Sint Maarten (+1-721) — Americas routes over European and Atlantic fibre links — latency is typically under 100 ms on broadband.
The cost of calling Sint Maarten varies depending on the method and service provider you choose. Compare landline, VoIP and calling-card routes side by side.
VoIP · overview
Cheapest route to Sint Maarten — internet-based.
Choose TKOS for business-grade calls to Sint Maarten, or consumer apps like Skype, WhatsApp or Viber for casual chats.
Sign up with an email or phone number, then verify your identity if required.
App-to-app calls are usually free; calls to mobile/landline numbers need a small balance or a subscription plan.
Enter +1-721 followed by the Sint Maarten subscriber number (drop any leading 0).
VoIP works on phones, laptops, tablets and desk phones wherever you have internet.
If audio drops, try switching from cellular to Wi-Fi or move closer to your router.
Capital
Philipsburg
Population
43.4K
Area
34 km²
GDP (USD)
$1.00B
Currency
Netherlands Antillean Guilder (ANG)
Languages
Dutch, English
Emergency number
911
Internet TLD
.sx
Drive side
Right-hand traffic
Latitude / Longitude
18.04°N / 63.06°W
Time zone
America/Lower_Princes
ISO 3166 codes
SX · SXM
A complete international number is built from four parts. Here's the anatomy and the dialling order.
Number anatomy
Format follows ITU-T Recommendation E.164 the international public telecommunication numbering plan.
Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.
Dial +1-721. This identifies Sint Maarten on the global telephone network.
Type the first part of the local number. Drop the leading 0 if there is one.
The remaining digits route the call to the specific line in Philipsburg or elsewhere.
Need an inbound Sint Maarten number?
TKOS provisions +1-721 DIDs and termination through direct carrier interconnects.
Whether you're reaching Sint Maarten for business or family, three habits keep every conversation crystal clear and a clean route from TKOS handles the rest.
North American and Caribbean routes to Sint Maarten support G.722 wideband on most carriers — an HD-compatible headset makes the gap between good and great audio obvious.
Intra-Americas routes to Sint Maarten stay under 80ms — even Wi-Fi is usually sufficient, but a wired connection removes the last variable during long back-to-back calls.
Schedule Sint Maarten calls during Philipsburg business hours — 09:00–17:00 America/Lower_Princes — your contact will be at their desk in a quiet space rather than taking the call on the move.
Built on top of every Sint Maarten (+1-721) route quality, price, and people you can reach.
TKOS terminates Sint Maarten traffic on Zone 1 carrier interconnects. Some of the lowest round-trip latency globally, with HD voice on every call.
Sint Maarten is a Zone 1 destination — among the lowest per-minute tiers globally. Transparent per-minute rates for Sint Maarten (+1-721), no hidden fees.
Your account manager covers America/Lower_Princes hours for Sint Maarten. Phone, email, and live chat — always online for Philipsburg routes, day or night.
Provider report
TKOS
Overall
A+
Score
9.6/ 10
Coverage
A+Direct routes to Sint Maarten
Reliability
A+99.99% uptime SLA
Support
A24/7 live agents
Pricing
ATransparent per-minute
Audit scope
Sint Maarten +1-721
When selecting an international calling service for Sint Maarten, four factors separate the durable providers from the noise. Look for a proven track record on each.
Sint Maarten is Zone 1 — verify direct termination, not routing through a gateway that adds unnecessary hops.
Zone 1 has ample carrier choice — accept nothing below 99.99% SLA with automatic failover on Sint Maarten routes.
Confirm coverage for America/Lower_Princes hours — a Philipsburg route issue at 09:00 needs a human response, not a next-day ticket.
Sint Maarten is Zone 1 — rates should be among the lowest globally. Push back on any premium quote.
Everything a business or traveller needs to know before dialling Sint Maarten (+1-721). Can't find an answer? Our team is one click away.
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The route you pilot today is the route that carries your millionth minute to Sint Maarten (+1-721). No migration. No replatforming. No renegotiation.