Dialling Code for San Marino
How to call San Marino from abroad
Facts last checked 31 August 2026.
The international dialling code for San Marino is +378. To call San Marino from the UK, dial 00 then 378, followed by the local number. From the US or Canada, dial 011 then 378. On a mobile phone you can simply dial +378 directly.
Staying connected in San Marino
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International Prepaid SIM Card
Data and calls in San Marino without roaming shocks.
Portable Power Bank
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Calling San Marino — FAQ
What is the international dialling code for San Marino?
The dialling code for San Marino is +378.
How do I call San Marino from the UK?
To call San Marino from the UK, dial 00 378 followed by the local number (drop any leading 0).
How do I call San Marino from the US?
To call San Marino from the US, dial 011 378 followed by the local number.
Do other countries share the +378 dialling code?
No — +378 is used exclusively by San Marino.
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