- From abroad: dial +1 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number without the leading 1. Example: +1 6702345678
- Within Northern Mariana Islands: dial the number as written domestically, including the trunk prefix 1. Example: 6702345678
- Calling abroad from Northern Mariana Islands: the international prefix is 011, or simply use + on mobiles.
- Storing numbers in software: always store E.164 (+16702345678): unambiguous, sortable, and what SMS and telephony APIs expect.
Country code +1 · MP
Northern Mariana Islands phone number format
Every number type in Northern Mariana Islands with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Country code
+1
Trunk prefix
1
Intl. call prefix
011
Mobile digits
10
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
| Type | Domestic (national) | From abroad | E.164 | Digits |
|---|---|---|---|---|
| Landline | 6702345678 | +1 6702345678 | +16702345678 | 10 |
| Mobile | 6702345678 | +1 6702345678 | +16702345678 | 10 |
| Toll-free | 8002123456 | +1 8002123456 | +18002123456 | 10 |
| Premium rate | 9002123456 | +1 9002123456 | +19002123456 | 10 |
How to call Northern Mariana Islands
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a Northern Mariana Islands number, with your country's exit code instead of the generic +.
Frequently Asked Questions
What is the phone number format in Northern Mariana Islands?
Numbers in Northern Mariana Islands use country code +1. A mobile number looks like 6702345678 domestically, or +1 6702345678 in international format (E.164: +16702345678). Mobile numbers have 10 national digits.
How do I call Northern Mariana Islands from abroad?
Dial your country's international prefix (or +), then 1, then the national number without the leading 1. Example: +1 6702345678.
What is the country calling code for Northern Mariana Islands?
The country calling code for Northern Mariana Islands is +1. To call abroad from Northern Mariana Islands, the international prefix is 011 (or use +).
Format data: Google libphonenumber project metadata (Apache 2.0), refreshed monthly. Details on About & Data Sources.