San Marino

Exit Country Code + 378 + The Number

The San Marino country code is 378. The nationality of San Marino is Sammarinese.The capital of San Marino is San MarinoLargest Cities in San Marino by population: Serravalle, Borgo Maggiore, City of San Marino, Domagnano, Fiorentino, Acquaviva, Faetano, Chiesanuova, Montegiardino. Local Telephone Prefix: No trunk codes in San Marino, just dial direct when calling domestic.