San Marino Country Code, ISD Code and ISO Code

San Marino Country Code, ISD Code and ISO Code

San Marino Country Code is 378 and anyone want to call from any other country then they need to follow this ISD Code (International Subscriber Dialing). You need Country Code for dialing a any other Mobile Number or Telephone Number outside of the country. Country codes are necessary to dial before any telephone number or mobile number from outside country.