Mariana Island flag MP

How to Call Mariana Island from the United States

Country code +1670 — Dial 011-1670 from a US landline or +1670 from a mobile phone.

+1670
Mariana Island Country Code

Step-by-Step Dialing Instructions

1

Dial 011

This is the US international access code. It tells your carrier you are making an international call.

2

Dial +1670

This is Mariana Island's country code. Every call to Mariana Island requires this code.

3

Dial the Area Code

Dial the city or area code for the region in Mariana Island you are calling (if applicable).

4

Dial the Local Number

Dial the remaining local phone number of the person or business you are trying to reach.

Visual Dialing Example

Here is how a complete call to Mariana Island looks from a US landline:

011-1670-XX-XXXX XXXX
011
Exit Code
1670
Country Code
XX
Area Code
XXXX XXXX
Local Number

Calling from a Mobile Phone

When calling Mariana Island from a US cell phone, you can replace 011 with the + symbol. This is simpler and works worldwide.

+1670-XX-XXXX XXXX

Tip: On most smartphones, press and hold the 0 key to type the + symbol.

Calling Tips for Mariana Island

Best Time to Call

Early morning US time (7 AM - 10 AM EST) works best to reach people during their business hours.

Mariana Island is UTC+0, which is +5 hours from US Eastern Time (EST).

Cost Saving Tips

  • Use VoIP services like Skype, Google Voice, or Vonage for rates as low as $0.01/min.
  • WiFi calling apps (WhatsApp, Viber, FaceTime) are free when both parties have the app.
  • Check your carrier's international plan — many offer add-on packages.
  • Avoid calling from hotel phones; they charge premium rates.

Time Difference

United States (EST)
--:--
UTC-5
+5h
Mariana Island
--:--
UTC+0

Frequently Asked Questions

What is the country code for Mariana Island?
The country code for Mariana Island is +1670. You need to dial this code after the international access code (011 from a US landline or + from a mobile phone).
How do I call Mariana Island from my US cell phone?
From a US cell phone, dial + then 1670 (the country code for Mariana Island), then the area code and local phone number. You can hold the 0 key to type the + symbol.
What time should I call Mariana Island from the US?
Mariana Island is +5 hours from US Eastern Time (EST). Early morning US time (7 AM - 10 AM EST) works best to reach people during their business hours.
How much does it cost to call Mariana Island from the US?
Costs vary by carrier. Traditional carriers charge $1-$5/min. VoIP services like Skype or Google Voice offer rates from $0.01-$0.10/min. WiFi calling apps like WhatsApp and Viber are free when both parties have the app.
Do I need to dial 011 before calling Mariana Island?
From a US landline, yes - dial 011 + 1670 + local number. From a US mobile phone, you can dial + instead of 011, which is easier.
Mariana Island Quick Info
Country Code +1670
ISO Code MP
Capital Saipan
Time Zone UTC+0
Exit Code (US) 011
Full Country Profile
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