+378 Country Code

+378 is the international dialing code for San Marino. When making a call to San Marino from abroad, you need to dial +378 before the local phone number.

Country using +378

This dialing code is used by San Marino.

San Marino

1. 1Start with +378
2. 2Add the rest of the local number in international format
3. 3Make sure the number belongs to San Marino before placing the call

Common mistakes with +378

• Do not omit the country code when dialing internationally.
• Use the number in international format rather than mixing local and international prefixes.
• Make sure the rest of the number matches a valid number in San Marino.

Example Number