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San Marino Calling Code
Republic of San Marino
+378
ISO SMSMR
Key Facts
- International Calling Code
- +378
- Country Name
- San Marino
- Official Name
- Republic of San Marino
- Capital City
- City of San Marino
- Region
- Europe
- Subregion
- Southern Europe
- ISO 3166-1 Alpha-2
- SM
- ISO 3166-1 Alpha-3
- SMR
How to Dial San Marino
From the United States / Canada
Dial 011 (exit code) + +378 + local number.
From Europe (most countries)
Dial 00 (exit code) + +378 + local number.
International Format (universal)
Use +378 directly — the + sign replaces the exit code when saved in contacts or used in apps.
Calling Code
+378
CountrySan Marino
ISOSM / SMR
RegionEurope