Northern Mariana Islands country code (+1670)
Complete country code guide for Northern Mariana Islands: dialing format, area codes, examples, and current calling rates. Browse our full country codes list to find other destinations.
Northern Mariana Islands country code
Country code
+1670
ISO code
MP
How to dial Northern Mariana Islands
Landline format
+1 670 322 1234
Mobile format
+1 670 234 5678
Drop the domestic trunk prefix (often 1) when calling internationally.
Full syntax: +1 670 + 7 digit local number (same format for mobile and landline)
Northern Mariana Islands calling rates
Calls to Northern Mariana Islands start from $0.16/minute with transparent, pay-as-you-go pricing. Compare with our international calling rates for other countries.
View detailed rates for Northern Mariana IslandsNorthern Mariana Islands area codes
- 670
Saipan (capital)
Example: +1 670 234 5678
- 670
Tinian
Example: +1 670 433 1122
- 670
Rota
Example: +1 670 532 3344
- 670
San Roque
Example: +1 670 288 7788
Common mistakes when dialing Northern Mariana Islands
- Forgetting to dial your international access code before 1 670.
- Adding an extra 1 or 0 after the country and area code.
- Dialing the wrong total length, local numbers must be 7 digits.
- Assuming US domestic rates apply, international charges often differ.
Why use HelloAirDial for Northern Mariana Islands?
- Call Northern Mariana Islands directly from your browser, no SIM or local contract needed.
- Transparent per minute pricing so you always know what international calls cost.
- Reliable caller ID so friends, family, and businesses recognize your number.
- No calling cards or apps to install, start calling in minutes from any device.
Call Northern Mariana Islands now
Rates from $0.16/minute.
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Related country codes
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View all country codes →Northern Mariana Islands country code FAQs
+1670 is which country code?
+1670 is the country code for Northern Mariana Islands. To dial Northern Mariana Islands, start with +1670, then add the area or mobile code, followed by the local number.
Can I call Northern Mariana Islands from abroad?
Yes. HelloAirDial connects directly from your browser. Traditional carriers can be pricey or block unknown overseas numbers; using HelloAirDial helps with caller ID, clear routing, and predictable costs.
Does Northern Mariana Islands have area codes?
Yes. See the list above for key area codes and examples.
Do I need to use a trunk code when calling with HelloAirDial?
No. When dialing internationally, drop the domestic trunk prefix (often 1) and start with the country code.
Is HelloAirDial cheaper than telecom providers?
Typically yes. You pay per minute with transparent pricing and no hidden roaming or connection fees, so you avoid the surcharges many carriers add for international calls.