How to call Northern Mariana from the USA or from Canada:

dial 1 - 670 - local phone number

Calling from another country?

The time in Northern Mariana Islands is now 02:14:56am

Calling Northern Mariana Islands from the United States explained:

1 - Country Code for Northern Mariana Islands
670 - area code within the NANP
local phone number - 7 digits
US to Northern Mariana Islands international dialing format: 1 670 ??? ????
this US territory is part of the North American Numbering Plan - NANP (calling it works like a US state to state call)

Phone books:

The CNMI Phone Book - White and Yellow Pages for Northern Marianas

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