How to call Northern Mariana from the USA or from Canada:
dial 1 - 670 - local phone number
The time in
Northern Mariana Islands is now
Mariana Islands from the United States explained:
1 - North American long distance prefix
670 - area code assigned to Northern Marianas
local phone number - 7 digits
US to Northern Mariana Islands international dialing format:
1 670 ??? ????
this country is in the North American Numbering
Plan (calling it works like a US long distance call)...however,
international or sometimes unexpected charges may apply when calling numbers in area code 670!