How to Call Sint Maarten Phone Numbers
Country phone codes
+1 721 is the country calling code assigned to Sint Maarten by the International Telecommunication Union. All of the country’s telephone numbers are also designated under the North American Numbering Plan (NANP), assigned by the Ministry of Economic Affairs, Agriculture and Innovation of the Sint Maarten Government.
So if you’re calling to Ireland, the number should start with:
+1 721 123-4567-890


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Prefix
A prefix is simply the set of numbers that come after the country and area codes of a telephone number. Sint Maarten’s telephone numbers are made up of 11 numbers split into groups of 3. So if you’re going to make a call to Sint Maarten using a mobile phone, you should dial country code+area code+4-digit number. Some of the common area codes in Sint Maarten include Philipsburg (542 or 543), Cole Bay (544) and Simpson Bay (545).
Country | Country Code | Landline Area Code | Landline Number |
---|---|---|---|
Philipsburg | +1 721 | (542) or (543) | 1234 |
Cole Bay | +1 721 | (542) | 1234 |
Simpson Bay | +1 721 | (542) | 1234 |
So if you’re making a call to Philipsburg, dial +54 11 1342 5689.
Network coverage
Network coverage is readily available across St. Marteen.
3G coverage
3G connection is moderately available across the country, but quality highly depends on the mobile operator.
International Roaming
Available at over 50 destinations, you can count on us to keep you connected even when you’re not in home soil.
We know how difficult it can be to be far from home and the family for a long time. We can only wish to talk to them non-stop day and night. But we also know that the more we spend time with calls and texts overseas, the bigger the expenses can get. Read more
Top mobile SIM network in Sint Maarten
Here are top mobile SIM networks in Sint Maarten:
Chippie
Telcell
Digicel
Top apps used to communicate
Here are top apps mostly used for communication in Sint Maarten:


Facebook Messenger
Emergency phone numbers
Here are the four most important emergency numbers to take note of when visiting Sint Maarten:

912 for ambulance service

919 for fire

911 for police
Best time to call Sint Maarten:
Sint Maarten observes Atlantic Standard Time using the time offset of UTC-04
Wherever you are in Australia, you can call Sint Maarten from the following time zones…
Best time to call | Time to Call |
UTC Relative |
Time Zone |
State |
---|---|---|---|---|
Sint Maarten | 8:00am – 1:00pm | UTC+10:00 | Australian Eastern Standard Time (AEST) | Queensland |
8:00pm – 11:00pm | UTC+08:00 | Australian Western Standard Time (AWST) | Western Australia | |
8:00am – 12:30pm | UTC+09:30 | Australian Central Standard Time (ACST) | South Australia, Northern Territory and the town of Broken Hill in western New South Wales | |
8:00am – 2:00pm | UTC+11:00 | Norfolk Island Standard Time (NFT) | Norfolk Island | |
7:00pm – 11:00pm | UTC+07:00 | Christmas Island Standard Time (CXT) | Christmas Island | |
5:30pm – 11:30pm | UTC+06:30 | Cocos (Keeling) Islands Standard Time (CCT) | Cocos (Keeling) Islands |
Daylight Savings Time (first Sunday in October – first Sunday in April)
Best time to call | Time to Call |
UTC Relative |
Time Zone |
State |
---|---|---|---|---|
Sint Maarten | 9:00am – 2:00pm | UTC+11:00 | Australian Eastern Daylight Time (AEDT) | New South Wales (except Broken Hill), Victoria, Tasmania, Australian Capital Territory |
8:00am – 1:00pm | UTC+10:00 | Australian Eastern Standard Time (AEST) | Queensland | |
8:00pm – 11:00pm | UTC+08:00 | Australian Western Standard Time (AWST) | Western Australia | |
9:00am – 1:30pm | UTC+10:30 | Australian Central Daylight Time (ACDT) | South Australia, Northern Territory and town of Broken Hill in Western New South Wales | |
8:00am – 12:30pm | UTC+09:30 | Australian Central Standard Time (ACST) | Northern Territory | |
9:00am – 3:00pm | UTC+12:00 | Norfolk Island Daylight Time (NDT) | Norfolk Islands | |
7:00pm – 11:00pm | UTC+07:00 | Christmas Island Standard Time (CXT) | Christmas Island | |
5:30pm – 11:30pm | UTC+06:30 | Cocos (Keeling) Islands Standard Time (CCT) | Cocos (Keeling) Islands |