Phone numbers · MP

Northern Mariana Islands phone number format

Northern Mariana Islands numbers use the country code +1. A mobile number looks like (670) 234-5678 at home and +16702345678 in international E.164 format.

TypeExample (national)InternationalE.164Digits
Mobile(670) 234-5678+1 670-234-5678+1670234567810
Landline(670) 234-5678+1 670-234-5678+1670234567810
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 Northern Mariana Islands number.

Send the number as typed plus country: "MP". 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": "MP", "phone": "(670) 234-5678"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/phone/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"country": "MP", "phone": "(670) 234-5678"},
    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": "MP", "phone": "(670) 234-5678"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

Northern Mariana Islands numbers

What is the country code for Northern Mariana Islands?

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

How do I format a Northern Mariana Islands phone number in E.164?

Drop the national prefix (1) and add +1. For example (670) 234-5678 becomes +16702345678.

How many digits is a Northern Mariana Islands mobile number?

10 digits after the country code.

Does Northern Mariana Islands 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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