🇲🇵 Northern Mariana Islands

Area code 670

Area code 670 is a telephone area code for the Northern Mariana Islands within the North American Numbering Plan, covering Saipan. Local time is UTC+10. Numbers look like (670) 234-5678, or +1 670 234 5678 from abroad.

Country: Northern Mariana Islands
Time zone: Saipan UTC+10
Local time now: –
Dial from abroad: +1 670

Places in area code 670

Cities and towns with telephone exchanges in the 670 area code, most exchanges first.

Saipan

How to dial area code 670

Calling from	You dial
Inside the 670 area	670 234 5678 (10 digits)
Elsewhere in the US & Canada	1 670 234 5678
Any mobile phone, anywhere	+1 670 234 5678
UK, Europe, India and most countries	00 1 670 234 5678
Australia	0011 1 670 234 5678

Area code 670: FAQ

Where is area code 670?

Area code 670 is in the Northern Mariana Islands and serves Saipan.

What time zone is area code 670 in?

Area code 670 is in the Pacific/Saipan time zone: UTC+10.

How do I call a 670 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 670 and the seven-digit number. Example: +1 670 234 5678.

Is a call from area code 670 a scam?

Area code 670 is a regular Northern Mariana Islands area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 670 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+16702345678

{
  "valid": true,
  "number": "16702345678",
  "local_format": "6702345678",
  "international_format": "+16702345678",
  "country_prefix": "+1",
  "country_code": "MP",
  "country_name": "Northern Mariana Islands",
  "location": "Northern Mariana Islands",
  "line_type": "…",
  "e164_format": "+16702345678",
  "national_format": "(670) 234-5678"
}