San Marino phone-number intelligence
Country code: +378 · ISO: SM/SMR
San Marino phone number format
International format (E.164): +378 XXX XXX XXX
Format illustration only — each X stands for a digit; this is not a real subscriber number.
Domestic numbers in San Marino are often written with a leading trunk prefix (usually 0) — drop it when dialling internationally.
- Free HLR lookup — check whether a San Marino number is active
- Validate a San Marino phone number (E.164 parser)
How to call San Marino
To call San Marino from abroad, dial your international access prefix — 00 from most of Europe, 011 from the US and Canada, or simply + on any mobile phone — then the country code +378 and the subscriber number.
Example: +378 XXX XXX XXX or 00 378 XXX XXX XXX
Line type breakdown
| Line type | Share |
|---|---|
| mobile | 70.0% |
| voip | 15.0% |
| fixed_line | 15.0% |
Top mobile carriers
| Brand | MCC-MNC |
|---|---|
| — | |
Most-seen OTP services
- —
Frequently asked questions
What is the country code for San Marino?
The country code for San Marino is +378. Dial it after + or your international access prefix (00/011) when calling from abroad.
How do I call San Marino from abroad?
Dial + or your international access prefix (00 in most of Europe, 011 from the US and Canada), then the country code +378 and the subscriber number — for example +378 XXX XXX XXX.
What is the phone number format in San Marino?
Numbers in San Marino are written in the international E.164 format starting with +378, for example +378 XXX XXX XXX (a format illustration, not a real number).
Country codes in the same region
- Monaco (+377)
- Andorra (+376)
- Ukraine (+380)
- Belarus (+375)
- Serbia (+381)
- Montenegro (+382)
- Moldova (+373)
- Estonia (+372)