Area code 670 — CNMI
Area code 670 is in CNMI. Time zone, overlays, counties and ZIP codes.
| Location | Northern Mariana Islands (all) |
|---|---|
| Status | In service · since 1997 |
| Local dialing | 7 digits |
History
- Created for membership in NANP
- 670 was the former country code for the islands
Format a 670 number
US numbers are written as (670) 555-0123 or 670-555-0123. From outside the US, dial +1 670 555 0123.
Is a call from 670 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.