The postal code of Siena which is listed in our database is 12211. Our records often include geographical coordinates of Siena and it's corresponding postal code.
In the result box below, you can find the postal code of Siena and it's location on the map if we have the location information available.
Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results.
All kinds of additional information we have on Siena may also be present such as geographical data, historical records or news about Siena and 12211 in general.