San Marino Dialing Code — +378
The international dialing code for San Marino is +378. To call San Marino from the United States or Canada, dial 011 + 378 + area code + local number. From Europe, dial 00 + 378 + area code + local number. On mobile phones worldwide, use +378 followed by the area code and local number.
How to Call San Marino
From USA/Canada: 011 + 378 + local number. From UK/Europe: 00 + 378 + local number. From mobile phones: +378 + local number.
San Marino City Area Codes
- San Marino City — +378 549
- Serravalle — +378 549
- Borgo Maggiore — +378 549
- Domagnano — +378 549
- Faetano — +378 549
- Fiorentino — +378 549
- Montegiardino — +378 549
- Acquaviva — +378 549
- Chiesanuova — +378 549
Related San Marino references
About San Marino International Dialing
Country calling codes are standardized by the International Telecommunication Union (ITU). The San Marino country code +378 is used to route international telephone calls to San Marino from any country in the world.