Sint Maarten Dutch part country code (+1721)
Complete country code guide for Sint Maarten Dutch part: dialing format, area codes, examples, and current calling rates. Browse our full country codes list to find other destinations.
Country code
Country code
+1721
ISO code
SX
Dialing format
Landline format
+1 721 542 3456
Mobile format
+1 721 553 7890
Drop the domestic trunk prefix (often 1) when calling internationally.
Full syntax: +1 721 + 7 digit local number (same format for landlines and mobiles, total 11 digits including country code).
Calling rates
Calls to Sint Maarten Dutch part start from $0.73/minute with transparent, pay-as-you-go pricing. Compare with our international calling rates for other countries.
View detailed rates for Sint Maarten Dutch partArea codes
- 721
Philipsburg (capital)
Example: +1 721 542 1234
- 721
Simpson Bay
Example: +1 721 545 6789
- 721
Cole Bay
Example: +1 721 544 1122
- 721
Dutch Quarter
Example: +1 721 543 3344
Common mistakes
- Forgetting to dial the international access code before 1 721.
- Adding extra digits or not reaching 11 digits in total including country code.
- Confusing Sint Maarten with the French side and using the wrong country code.
- Dropping the leading 1 and dialing only 721 plus the local number.
Why use HelloAirDial for Sint Maarten Dutch part?
- Call Sint Maarten directly from your browser, no SIM card or local contract needed.
- Transparent per minute pricing so you always know what international calls cost.
- Automatic caller ID where supported, helping contacts recognize your number.
- No calling cards or app top ups, just sign in and start dialing in seconds.
Call Sint Maarten Dutch part now
Rates from $0.73/minute.
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Related country codes
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View all country codes →FAQs
Can I call Sint Maarten Dutch part from abroad?
Yes. HelloAirDial connects directly from your browser. Traditional carriers can be pricey or block unknown overseas numbers; using HelloAirDial helps with caller ID, clear routing, and predictable costs.
Does Sint Maarten Dutch part have area codes?
Yes. See the list above for key area codes and examples.
Do I need to use a trunk code when calling with HelloAirDial?
No. When dialing internationally, drop the domestic trunk prefix (often 1) and start with the country code.
Is HelloAirDial cheaper than telecom providers?
Typically yes. You pay per minute with transparent pricing and no hidden roaming or connection fees, so you avoid the surcharges many carriers add for international calls.