San Marino Postal Codes
San Marino uses postal codes in the format 4789# (# = digit, @ = letter).
10 postal codes are recorded for San Marino in the open data sources below.
Example postal codes
47890478914789547899
Postal codes by place
Places in San Marino with a recorded postal code.
| Place | Postal code |
|---|---|
| Acquaviva | 47892 |
| Borgo Maggiore | 47893 |
| Ca' Rigo | 47893 |
| Cailungo | 47893 |
| Casole | 47890 |
| Cerbaiola | 47898 |
| Chiesanuova | 47894 |
| Dogana | 47891 |
| Domagnano | 47895 |
| Faetano | 47896 |
| Falciano | 47891 |
| Fiorentino | 47897 |
| Fiorina | 47899 |
| Galazzano | 47891 |
| Gualdicciolo | 47892 |
| Montegiardino | 47898 |
| Murata | 47890 |
| Rovereta | 47891 |
| San Giovanni | 47893 |
| San Marino | 47890 |
| Santa Mustiola | 47890 |
| Serravalle | 47899 |
| Teglio | 47894 |
| Torraccia | 47895 |
| Valdragone | 47893 |
| Ventoso | 47893 |
How an address is written in San Marino
This is the order San Marino's postal service expects. Square brackets mark what you replace.
[Recipient name]
[Street address]
[Postal code (47890)] [City]
SAN MARINO
A postal code is required in a complete San Marino address.
Look up a specific address
For the code covering one particular street or building, San Marino's postal service publishes an official finder: www.poste.it/cerca/index.html#/risultati-cerca-cap. It is authoritative and kept current, which third-party copies often are not.
Country reference
| ISO 3166-1 alpha-2 | SM |
|---|---|
| ISO 3166-1 alpha-3 | SMR |
| Capital | San Marino |
| Telephone code | +378 |
| Currency | Euro (EUR) |
| Internet TLD | .sm |
Sources and licensing
Postal code data from GeoNames, used under the Creative Commons Attribution 4.0 International licence. Address formats and validation rules derive from Google's international address metadata, cross-checked against Universal Postal Union addressing standards. Last verified August 2026. Confirm time-critical addresses with the destination country's postal operator.
Postal codes by town and city
26 places in San Marino have a recorded postal code. The 0 largest have their own page; the rest are listed alphabetically.