Northern-Mariana-Islands Area Codes, Northern Mariana Islands, Unites States

How to call Northern-Mariana-Islands, Northern Mariana Islands?

Northern-Mariana-Islands has 1 area code. To call Northern-Mariana-Islands you need to dial the Unites States country code (+1) and the following area code:

670

How to know if I'm receiving calls from Northern-Mariana-Islands, Northern Mariana Islands?

You are receiving calls from Northern-Mariana-Islands when the phone number starts with the following combination:

1-670

Other area codes in Unites States