San Marino
The international dialing code for San Marino is +378 (ISO SM). Dial 00378 from Europe, 011378 from the US/Canada, or +378 from any mobile.
How to call San Marino
Replace "local number" with the actual phone number, dropping any leading zero.
Other countries in Europe
FAQ — San Marino
Which country has the code +378?
+378 is the dialing code for San Marino (ISO SM). It is written 00378… when dialed from Europe, 011378… from the US/Canada, or "+378…" from a mobile.
What is the country code for San Marino?
The international dialing code for San Marino is +378. The ISO-3166 alpha-2 code is SM.
How do I call San Marino from the US or Canada?
Dial 011 378 followed by the local number in San Marino, dropping any leading zero. From a mobile, "+378…" also works.
How do I call San Marino from Europe?
Dial 00 378 followed by the local number in San Marino, dropping any leading zero. From a mobile, "+378…" also works.
What does the "+" mean before the code?
"+" is a universal placeholder for the international direct dialing (IDD) prefix on mobile phones. "+378…" works from any country because the phone replaces "+" with the local IDD prefix automatically (00 in Europe, 011 in the US).