What is Northern Mariana Islands's country code?
The country code for Northern Mariana Islands is +1.
Country codes are assigned by the International Telecommunication Union (ITU). Single-digit codes like +1 are assigned to large countries or regions.
How do I dial Northern Mariana Islands?
- International format (recommended)
-
+1 [local number]Example:
+1 670-234-5678 - From a mobile phone
-
Press and hold 0 or tap + to get the plus sign, then dial
+1followed by the local number. - From a landline
-
Dial your country's international access code, then
1, then the local number.Common access codes: US/Canada: 011, UK: 00, Australia: 0011
Do I need to drop the leading zero?
When calling internationally, you typically drop the national prefix (1) from local numbers.
What time zone is Northern Mariana Islands?
Pacific/Guam
Not a good time to call
11:06 PM local time · Late night / early morning
Most people are sleeping.
Current rates to Northern Mariana Islands
$0.04–$0.14/min
Rates vary by mobile vs landline. Billed per minute, rounded up.
Frequently asked questions
Is +1 a mobile or landline code?
+1 is the country code for all of Northern Mariana Islands—both mobile and landline numbers use this code. The digits after the country code may indicate the number type, but this varies by country.
Why won't my call to Northern Mariana Islands connect?
Common issues:
- Wrong format: Make sure you're using +1 (not 001 or 1)
- Extra digits: Remove any trunk prefix (usually 0) from the start of the local number
- Missing digits: Ensure you have the complete local number after the country code
How do I save a Northern Mariana Islands number in my contacts?
Always save international numbers in E.164 format: +1 followed by the local number (without the leading 0 if applicable). This format works worldwide.