State
Area Code 670
Saipan, Tinian, Rota, Northern Mariana Islands
Local time now
…
Time zone
Chamorro
Main cities
Saipan, Tinian, Rota
Overlays
None
In service since
1997
When you can make sales calls to 670 numbers
| Every day | 8 AM – 9 PM (federal rule) |
In the called person's local time. Guidance, not legal advice.
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Other area codes in Northern Mariana Islands
Questions about area code 670
- Where is area code 670?
- Area code 670 is in Northern Mariana Islands, covering Saipan, Tinian, Rota.
- What time zone is area code 670?
- Chamorro time.
- When can telemarketers call a 670 number?
- Federal rules allow sales calls from 8 AM to 9 PM local time.
- Is 670 a toll-free number?
- No. 670 is a regular area code for Northern Mariana Islands. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.