CountryCode.org is your complete guide to make a call from anywhere in the world, to anywhere in the world. This page details Northern Mariana Islands phone code.

The Northern Mariana Islands country code 1-670 will allow you to call Northern Mariana Islands from another country. Northern Mariana Islands telephone code 1-670 is dialed after the IDD. Northern Mariana Islands international dialing 1-670 is followed by an area code.

The Northern Mariana Islands area code table below shows the various city codes for Northern Mariana Islands. Northern Mariana Islands country codes are followed by these area codes. With the complete Northern Mariana Islands dialing code, you can make your international call.