Postal code 31-100 – Tarnów
Tarnów, Tarnów municipality, Tarnów county, małopolskie voivodeship
- localities
- 3
- streets
- 24
- buildings
- 29
Postal code 31-100 is used in 3 localities, including Tarnów, Tomice, Radocza (Tarnów municipality, Tarnów county, małopolskie voivodeship). It covers 29 buildings on 24 streets – the full list with house numbers is below.
Which streets have postal code 31-100?
Which localities have postal code 31-100?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Gruntowa 1 31-100 Tarnów
Write the postal code in the 00-000 format on the last line, before the town name. Put the recipient's full name on the first line and the street with building and flat number on the second. For mail from abroad, add POLAND as the final line.
Frequently asked questions
What address does postal code 31-100 cover?
Postal code 31-100 covers 3 localities: Tarnów, Tomice, Radocza, including streets: Gruntowa, Tarnowskich, Brzozowa, Czarny Las, Górna (Tarnów county, małopolskie voivodeship).
Where is postal code 31-100?
In małopolskie voivodeship, Tarnów county, Poland.
Is postal code 31-100 enough to send a parcel?
No – always write the postal code together with the town or post office name and the full address (street and building number, or the village name with the house number).
Which postal codes are next to 31-100?
Which municipality and county does 31-100 belong to?
The 31-100 area (Tarnów) lies in Tarnów municipality (gmina), in Tarnów county (powiat), małopolskie voivodeship, Poland. Centre of the area based on address points: 50.0159, 20.9498.
Where does this data come from?
Localities and postal codes come from the public TERYT registers (Statistics Poland), while streets, building numbers and locations come from the National Register of Boundaries (GUGiK). Data as of 12.11.2026. This site is not affiliated with Poczta Polska; for important shipments, confirm the code at a post office. More about sources

