San Marino flag

San Marino Country Code +378

Complete guide to calling San Marino from the US and abroad

ISO-2: SM ISO-3: SMR Europe Capital: San Marino

Calling Information

Dialing Code
+378
Exit Code (US)
011
How to Call
011 + 378 + area + number
Country TLD
.sm

Geography

Capital
San Marino
Continent
Europe
Area
61 km²
Population
34,109
Currency
Euro
Languages
Italian

Time & Communication

Current Time
11:14 PM
Time Zone
UTC+1
Mobile Penetration
120.3%
Internet Penetration
97.4%
Fixed-line Penetration
46.9%

How to Call San Marino from the United States

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

1
Exit Code
011
US international prefix
2
Country Code
378
San Marino
3
Area Code
XX
City/region code
4
Local Number
XXXX XXXX
Subscriber number

Example dialing format:

011 - 378 - area code - local number

Calling from a Mobile Phone

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

+378 - area code - local number

Area Codes in San Marino

Area codes

We don't have a verified list of city area codes for San Marino yet. From the US, dial 011 + 378 + the full national number, leaving out any domestic trunk prefix (such as a leading 0) if San Marino uses one.

Neighboring Countries

Vatican City flag

Vatican City

+39 Italy flag

Italy

+39 Slovenia flag

Slovenia

+386 Croatia flag

Croatia

+385 Liechtenstein flag

Liechtenstein

+423 Switzerland flag

Switzerland

+41 Monaco flag

Monaco

+377 Austria flag

Austria

+43

Telecommunications in San Marino

Metric Value Year
Mobile subscriptions (per 100 people) 120.3 2022
Mobile subscriptions (total) 41,000 2022
Fixed-line subscriptions (per 100 people) 46.9 2022
Fixed-line subscriptions (total) 16,000 2022
Internet users (% of population) 97.4 2024

Source: World Bank (ITU)

Penetration Rates (per 100 people)

Mobile 120.3%
Fixed-line 46.9%
Internet 97.4%

San Marino on the Map

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

Flag of San Marino

Flag of San Marino

The national flag of San Marino. See it next to other flags of Europe in the flags of the world gallery.

Geography of San Marino

Area

60 km²

23 sq mi

Coastline

Landlocked

Highest point

Monte Titano 739 m

Lowest point

Torrente Ausa 55 m

Climate:
Mediterranean; mild to cool winters; warm, sunny summers
Terrain:
Rugged mountains
Natural resources:
Building stone
Land borders:
Italy
Land use:
agricultural 38.3% (arable 33.1%), forest 16.7% (2023)

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

Economy of San Marino

GDP

$2.0 billion (2023)

GDP per person

$59,871 (2023)

Growth

0.4% (2023)

Inflation

2.3% (2025)

Human Development Index

0.915 (#29 of 193, 2023)

Currency:
Euro (EUR)
GDP by sector:
Agriculture 0%, Industry 36%, Services 57% (2023)

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 San Marino

What is the country code for San Marino?
The country code for San Marino is +378.
How do I call San Marino from the US?
To call San Marino from the US, dial 011 + 378 + area code + local number. From a mobile phone, use +378 instead of 011.
What time is it in San Marino?
The current time in San Marino is 11:14 PM (UTC+1).
What is the capital of San Marino?
The capital of San Marino is San Marino.