San Marino Phone Number Format
Country code +378 · ISO SM
How to format, dial, and validate San Marino phone numbers, with live examples.
Country Code
+378
National Prefix
—
International Prefix
00
Mobile Portability
No
Try it now
Pre-filled with a valid fixed line number for San Marino. Edit it and click "Try It" to see the parsed result.
Number Types & Example Formats
Each San Marino phone-number type supported by libphonenumber, with a real example formatted three ways.
| Type | Length | National | International | E.164 |
|---|---|---|---|---|
| Fixed Line | 10 digits | 0549 886377 | +378 0549 886377 | +3780549886377 |
| Mobile | 8 digits | 66 66 12 12 | +378 66 66 12 12 | +37866661212 |
| Premium Rate | 8 digits | 71 12 34 56 | +378 71 12 34 56 | +37871123456 |
| VoIP | 8 digits | 58 00 11 10 | +378 58 00 11 10 | +37858001110 |
How to Dial San Marino Numbers
From abroad
Dial +378 followed by the national number.
Dialing out of San Marino
Dial 00 followed by the destination country code and number.
Area Codes
Browse San Marino area codes with cities, timezones, and example numbers for each.
Validate a San Marino Number with the API
Send the number to the free libphonenumber API to get the parsed country, type, formatting, and validity.
curl https://libphonenumberapi.com/api/phone-numbers/+3780549886377Frequently Asked Questions
What is the country code for San Marino?
└ The international country code for San Marino is +378. Use this prefix when dialing San Marino numbers from another country.
How long is a San Marino phone number?
└ San Marino phone numbers are typically 10 digits, not including the +378 country code.
How do I dial a San Marino phone number from abroad?
└ From abroad, dial +378 followed by the national number.
How do I validate a San Marino phone number programmatically?
└ Send a GET request to https://libphonenumberapi.com/api/phone-numbers/<number>. The free libphonenumber API returns the parsed country, format, type, and validity for any number — no API key required.