International dialing code for
San Marino
+378
Europe·ISO SM
How to call San Marino
From Europe
00 378 local-number
From US / Canada
011 378 local-number
From mobile (universal)
+378 local-number
Replace "local number" with the actual phone number, dropping any leading zero.
Dial code
+378
ISO-2
SM
Region
Europe
Flag
🇸🇲
Other countries in Europe
FAQ — San Marino
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).