Area Code 670
Area code 670 covers Saipan in Northern Mariana Islands, in the Chamorro Time.
Area code 670 quick facts
| Location | Saipan, Northern Mariana Islands |
|---|---|
| Time zone | Chamorro Time |
| In service | 1997-07-01 |
| Carrier coverage | 35 prefixes; 57% wireless |
| Data current as of | August 2, 2026 |
Is a call from 670 a scam? Who called me from 670?
Cities in area code 670
Saipan
Carriers in area code 670
Area code 670 spans 35 prefixes, about 57% wireless. Top carriers: MICRONESIAN TELECOMMUNICATIONS CORPORATION, PTI PACIFICA INC., GUAM WIRELESS TELEPHONE COMPANY, LLC. Look up the carrier and line type for a 670 number.
Frequently asked questions
Where is area code 670?
Area code 670 covers Saipan in Northern Mariana Islands, in the Chamorro Time.
What cities use area code 670?
Area code 670 serves Saipan in Northern Mariana Islands.
What time zone is area code 670 in?
Area code 670 is in the Chamorro Time (Pacific/Guam).
How do you dial a 670 number?
Dial all 10 digits: 670 followed by the 7-digit local number. From abroad, dial +1 670 and the local number.
Is a call from area code 670 a scam?
A 670 number is geographically tied to Northern Mariana Islands, but caller ID can be spoofed, so the displayed area code does not prove where a caller really is. If you did not expect the call, do not share personal information and consider looking the number up.
Is 670 a country code?
No. 670 is a US area code (a domestic 3-digit code), not a country code. The country (calling) code for the United States is +1, shared across the North American Numbering Plan. So a full 670 number written for international dialing looks like +1 670 followed by the 7-digit local number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.