National Phone Number Registry NPNR

Area Code 670 Location

Area code 670 is currently assigned for use in Northern Mariana Islands since Jul 01, 1997. View all phone prefixes used in area code 670 or other area codes in Northern Mariana Islands.

Enter 7-digit phone number for area code 670 or the complete 10-digit phone number

Phone Prefixes for Area Code 670

Area code Location Company / Service Provider

670 is not a valid area code or is not registered with the North America Number Plan.

List of all valid area codes

670 Area Code Information
Type of code: General Purpose Code
Location: CNMI - US
Time zone: (UTC+10)
Assigned for use: Yes
Code in service: Yes
Service date: July 01, 1997
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
Reserved for future use: No
Planning letter(s): 010
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D NA
Foreign local calls: NA NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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National Do Not Call Registry FTC - Cell Phones and the Do Not Call Registry FCC - Do Not Call List FTC Complaint Assistant 1.3.86