Where is area code 670 located and what state is area code 670?

Area code 670 is located in Northern Mariana Islands (Northern Mariana Islands), covering major cities and regions including Northern Mariana Islands And Surrounding Communities.

How to call area code 670 and do I need to dial area code 670?

To dial a number in area code 670, format your call as +1 (670) XXX-XXXX. Mandatory 10-digit dialing is required in overlay regions.

Is area code 670 a scam, spam, or dangerous call?

Area code 670 is a legitimate geographic area code for Northern Mariana Islands. However, scammers frequently spoof numbers from any area code, so exercise caution with unknown callers.

North American Area CodeChamorro (ChST) Time Zone

Area Code 670 Location & Details

Q: What timezone is area code 670?

Area code 670 operates on the Chamorro (ChST) timezone.

State / Region: Northern Mariana Islands • Country: Northern Mariana Islands

Major Cities Covered: Northern Mariana Islands And Surrounding Communities

Standard Dial Format

+1 (670) XXX-XXXX

Country Code: +1 (NANP Format)

What State is Area Code 670?

Northern Mariana IslandsState Hub →

Country Territory

Northern Mariana Islands

670 Area Code Time Zone

Chamorro (ChST)

670 Overlay Codes

No Overlays

Area Code 670 Geographic Map

Interactive location bounds and coverage area for Northern Mariana Islands (Chamorro (ChST) Timezone)

Lat: 39.83° • Lng: -98.58°

📍 Geographic Center: Northern Mariana IslandsMap data © OpenStreetMap contributors

Where is Area Code 670 Located?

Telephone area code 670 is assigned to Northern Mariana Islands in Northern Mariana Islands. It serves cities and metropolitan communities including Northern Mariana Islands And Surrounding Communities.

Historical Context & Area Code Overlay Information:670 serves Northern Mariana Islands (Northern Mariana Islands).

For local and long-distance calls within area code 670, standard 10-digit dialing (670) XXX-XXXX applies.

Who Called Me from Area Code 670?

Received an unknown call, missed call, or text scam from area code 670? Here is how to trace who is calling from 670 area code and verify unknown numbers safely:

Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 670 prefix to boost pick-up rates.

Reverse Phone Lookup Area Code 670:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 670 & Dialing Format

When placing a phone call to a number in area code 670, follow the correct dialing format depending on your calling location:

Calling from inside the US / Canada (+1): Dial 1 + (670) + 7-digit number.
Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 670 + 7-digit number.
Do I need to dial area code 670 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 670

Urban centers, census places, and communities within the +1-670 calling area

1 Major Cities Listed

City Name	County	Population	% of 670 Pop
Northern Mariana Islands And Surrounding Communities	Northern Mariana Islands County	250,000	100.0%

Counties Covered by Area Code 670

Geographic county distribution and population coverage across Northern Mariana Islands

County Name	Total Population	% of 670 Area	% of County
Northern Mariana Islands County	337,500	100.0%	74%

☎️Area Code 670 Exchange Prefixes & Carriers

Showing 50 of 51 central office 3-digit prefixes and assigned telecom carriers

90% Landline10% Wireless0% VoIP

Prefix	Line Usage	Rate Center	Assigned Carrier	Assign Date
(670) 211-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 233-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 234-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 235-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 236-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 237-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	06/01/2005
(670) 256-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 284-	📞Landline	SAIPAN	PTI PACIFICA INC.	04/20/2018
(670) 285-	📞Landline	SAIPAN	PTI PACIFICA INC.	01/25/2005
(670) 286-	📞Landline	SAIPAN	PTI PACIFICA INC.	N/A
(670) 287-	📞Landline	SAIPAN	PTI PACIFICA INC.	N/A
(670) 288-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 311-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 321-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 322-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 323-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 328-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 411-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 433-	📞Landline	TINIAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 483-	📱Wireless	SAIPAN	GUAM WIRELESS TELEPHONE COMPANY, LLC	N/A
(670) 484-	📱Wireless	SAIPAN	GUAM WIRELESS TELEPHONE COMPANY, LLC	05/17/2002
(670) 488-	📱Wireless	TINIAN	GUAM WIRELESS TELEPHONE COMPANY, LLC	09/20/2004
(670) 511-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 532-	📞Landline	ROTA	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 555-	📞Landline	DIR ASST	MULTIPLE OCN LISTING	N/A
(670) 588-	📱Wireless	ROTA	GUAM WIRELESS TELEPHONE COMPANY, LLC	09/17/2004
(670) 611-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 664-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 670-	📞Landline	NN	Local Exchange Carrier	N/A
(670) 682-	📞Landline	SAIPAN	MICRONESIAN TELECOMMUNICATIONS CORPORATION	N/A
(670) 700-	📞Landline	NN	Local Exchange Carrier	N/A
(670) 711-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 783-	📞Landline	SAIPAN	PTI PACIFICA INC.	01/31/2013
(670) 785-	📞Landline	SAIPAN	PTI PACIFICA INC.	07/02/2010
(670) 788-	📞Landline	SAIPAN	PTI PACIFICA INC.	N/A
(670) 789-	📞Landline	SAIPAN	PTI PACIFICA INC.	02/26/2007
(670) 811-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 838-	📞Landline	SAIPAN	PTI PACIFICA INC.	08/25/2004
(670) 848-	📞Landline	SAIPAN	PTI PACIFICA INC.	10/10/2008
(670) 858-	📞Landline	SAIPAN	PTI PACIFICA INC.	10/10/2008
(670) 868-	📞Landline	SAIPAN	PTI PACIFICA INC.	03/10/2003
(670) 878-	📞Landline	SAIPAN	PTI PACIFICA INC.	01/13/2005
(670) 888-	📞Landline	SAIPAN	PTI PACIFICA INC.	07/30/2002
(670) 898-	📞Landline	SAIPAN	PTI PACIFICA INC.	08/24/2004
(670) 911-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(670) 950-	📞Landline	NN	Local Exchange Carrier	N/A
(670) 958-	📞Landline	NN	Local Exchange Carrier	N/A
(670) 959-	📞Landline	NN	Local Exchange Carrier	N/A
(670) 976-	📞Landline	NN	Local Exchange Carrier	N/A
(670) 988-	📞Landline	NN	Local Exchange Carrier	N/A

Frequently Asked Questions about Area Code 670

Where is area code 670 located?

Area code 670 is located in Northern Mariana Islands (Northern Mariana Islands), serving cities like Northern Mariana Islands And Surrounding Communities.

What timezone is area code 670?

Area code 670 operates in the Chamorro (ChST) timezone.

What state is area code 670?

Area code 670 is assigned to the state / telecom territory of Northern Mariana Islands.

Is area code 670 a scam or dangerous?

Area code 670 is an official geographic area code for Northern Mariana Islands. However, beware of robocaller spoofing.

Northern Mariana Islands State Area Codes

View complete directory of telephone area codes assigned to Northern Mariana Islands.

Explore Northern Mariana Islands Directory

Get a 670 Business Phone Number

How to acquire a virtual phone number or business line with area code 670 for local customer trust in Northern Mariana Islands.

Get 670 Business Number

🛡️ Scam & Safety Directory

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