Phone numbers · SX

Sint Maarten (Dutch part) phone number format

Sint Maarten (Dutch part) numbers use the country code +1. A mobile number looks like (721) 520-5678 at home and +17215205678 in international E.164 format.

TypeExample (national)InternationalE.164Digits
Mobile(721) 520-5678+1 721-520-5678+1721520567810
Landline(721) 542-5678+1 721-542-5678+1721542567810
Toll-free(800) 212-3456+1 800-212-3456+1800212345610
Premium-rate(900) 212-3456+1 900-212-3456+1900212345610
Personal (forwarding) number(500) 234-5678+1 500-234-5678+1500234567810
Country calling code
+1
National (trunk) prefix
1
International call prefix
011
Separate VoIP range
No
Time zones
America/Adak, America/Anchorage, America/Anguilla, America/Antigua, America/Barbados, America/Boise, America/Cayman, America/Chicago, America/Denver, America/Dominica, America/Edmonton, America/Fort_Nelson, America/Grand_Turk, America/Grenada, America/Halifax, America/Jamaica, America/Juneau, America/Los_Angeles, America/Lower_Princes, America/Montserrat, America/Nassau, America/New_York, America/North_Dakota/Center, America/Phoenix, America/Port_of_Spain, America/Puerto_Rico, America/Regina, America/Santo_Domingo, America/St_Johns, America/St_Kitts, America/St_Lucia, America/St_Thomas, America/St_Vincent, America/Toronto, America/Tortola, America/Vancouver, America/Winnipeg, Atlantic/Bermuda, Pacific/Guam, Pacific/Honolulu, Pacific/Pago_Pago, Pacific/Saipan
Validate in code

Check a Sint Maarten (Dutch part) number.

Send the number as typed plus country: "SX". You get it back in E.164 with its line type, ready to store.

Try the free validator →

curl https://veqen-app.com/v1/phone/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"country": "SX", "phone": "(721) 520-5678"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/phone/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"country": "SX", "phone": "(721) 520-5678"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])
const res = await fetch("https://veqen-app.com/v1/phone/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"country": "SX", "phone": "(721) 520-5678"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

Sint Maarten (Dutch part) numbers

What is the country code for Sint Maarten (Dutch part)?

+1. Dial it after your international access code, or use +1 from a mobile phone.

How do I format a Sint Maarten (Dutch part) phone number in E.164?

Drop the national prefix (1) and add +1. For example (721) 520-5678 becomes +17215205678.

How many digits is a Sint Maarten (Dutch part) mobile number?

10 digits after the country code.

Does Sint Maarten (Dutch part) have VoIP phone numbers?

There is no separate VoIP range in the numbering plan, so VoIP numbers look like ordinary numbers.

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