+378
This is the international dialing code for San Marino.
Dialing Format
To call a San Marino phone number from any country:
[Your Exit Code] + 378 + [Area Code] + [Local Number]
Example: Calling City of San Marino from abroad
[Exit Code] 378 +378 [Local Number]
Where:
[Exit Code] = Your country's international dialing code
378 = San Marino country code
+378 = City of San Marino area code (without leading 0)
[Local Number] = Local phone number
Important Dialing Rules
- When dialing internationally, remove the leading 0 from San Marino area codes
- For example, if the local number is 0+378 123 4567, dial [Exit Code] 378 +378 123 4567
- Mobile numbers in San Marino typically start with specific prefixes
Quick Facts
+378
Country Code
00
San Marino Exit Code
4+
Area Codes
Major San Marino Area Codes
How to Call San Marino from Specific Countries
Select your origin country for specific dialing instructions: