Mariana Island flag

Mariana Island Country Code +1670

Complete guide to calling Mariana Island from the US and abroad

ISO-2: MP ISO-3: MNP Oceania Capital: Saipan

Calling Information

Dialing Code
+1670
Exit Code (US)
011
How to Call
011 + 1670 + area + number
Country TLD
.mp

Geography

Capital
Saipan
Continent
Oceania
Area
477 km²
Population
43,541
Currency
U.S. dollar
Languages
Philippine languages 32.8%, Chamorro (official language) 24.1%, English (official language) 17%, other Pacific island languages 10.1%, Chinese 6.8%, other Asian languages 7.3%, other 1.9% (2010 est.)

Time & Communication

Current Time
8:16 PM
Time Zone
UTC+10
Fixed-line Penetration
42.3%

How to Call Mariana Island from the United States

Follow these simple steps to make an international call to Mariana Island from a US landline or mobile phone:

1
Exit Code
011
US international prefix
2
Country Code
1670
Mariana Island
3
Area Code
XX
City/region code
4
Local Number
XXXX XXXX
Subscriber number

Example dialing format:

011 - 1670 - area code - local number

Calling from a Mobile Phone

Replace 011 with the + symbol (press and hold 0):

+1670 - area code - local number

Area Codes in Mariana Island

Area codes

We don't have a verified list of city area codes for Mariana Island yet. From the US, dial 011 + 1670 + the full national number, leaving out any domestic trunk prefix (such as a leading 0) if Mariana Island uses one.

Neighboring Countries

Guadeloupe flag

Guadeloupe

+590 Palau flag

Palau

+680 Micronesia flag

Micronesia

+691 Japan flag

Japan

+81 South Korea flag

South Korea

+82 Philippines flag

Philippines

+63 Solomon Islands flag

Solomon Islands

+677 North Korea flag

North Korea

+850

Telecommunications in Mariana Island

Metric Value Year
Fixed-line subscriptions (per 100 people) 42.3 2022
Fixed-line subscriptions (total) 19,474 2022

Source: World Bank (ITU)

Penetration Rates (per 100 people)

Fixed-line 42.3%

Mariana Island on the Map

Borders and capital: Natural Earth. The red dot marks the capital, Saipan.

Flag of Mariana Island

Flag of Mariana Island

The national flag of Mariana Island. See it next to other flags of Oceania in the flags of the world gallery.

Geography of Mariana Island

Area

460 km²

178 sq mi

Coastline

1,482 km

Highest point

Agrihan Volcano 965 m

Lowest point

Pacific Ocean 0 m

Climate:
Tropical marine; moderated by northeast trade winds, little seasonal temperature variation; dry season December to June, rainy season July to October
Terrain:
The southern islands in this north-south trending archipelago are limestone, with fringing coral reefs; the northern islands are volcanic, with active volcanoes on several islands
Natural resources:
Arable land, Fish
Land borders:
None
Land use:
agricultural 1.2% (arable 0.2%), forest 53% (2023)

Sources: CIA World Factbook (data as of September 2026); area: World Bank 2023.

Economy of Mariana Island

GDP

$1.1 billion (2022)

GDP per person

$23,786 (2022)

Growth

16.6% (2022)

Currency:
US Dollar (USD)

Sources: World Bank (GDP, growth, inflation, ILO-modeled unemployment, sectors), UNDP Human Development Report 2025, ISO 4217. Years in brackets are the latest available.

Frequently Asked Questions about Mariana Island

What is the country code for Mariana Island?
The country code for Mariana Island is +1670.
How do I call Mariana Island from the US?
To call Mariana Island from the US, dial 011 + 1670 + area code + local number. From a mobile phone, use +1670 instead of 011.
What time is it in Mariana Island?
The current time in Mariana Island is 8:16 PM (UTC+10).
What is the capital of Mariana Island?
The capital of Mariana Island is Saipan.