+1670 country code

+1670 is the international dialing code for Northern Mariana Islands. When making a call to Northern Mariana Islands from abroad, you need to dial +1670 before the local phone number.

1. 1Start with +1670
2. 2Add the rest of the local number in international format
3. 3Make sure the number belongs to Northern Mariana Islands before placing the call

• Do not omit the country code when dialing internationally.
• Use the number in international format rather than mixing local and international prefixes.
• Make sure the rest of the number matches a valid number in Northern Mariana Islands.

Calling Northern Mariana Islands with DialVia costs from $0.22/min. No subscription required. Pay only for the minutes you use.