Postal code 40-055 – Katowice
Katowice, Katowice municipality, Katowice county, śląskie voivodeship
- locality
- 1
- street
- 1
- buildings
- 31
Postal code 40-055 is used in Katowice (Katowice municipality, Katowice county, śląskie voivodeship). It covers 31 buildings on 1 street – the full list with house numbers is below.
Which streets have postal code 40-055?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Księcia Józefa Poniatowskiego 1 40-055 Katowice
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 40-055 cover?
Postal code 40-055 covers Katowice, including streets: Księcia Józefa Poniatowskiego (Katowice county, śląskie voivodeship).
Where is postal code 40-055?
In śląskie voivodeship, Katowice county, Poland.
Is postal code 40-055 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 40-055?
Which municipality and county does 40-055 belong to?
The 40-055 area (Katowice) lies in Katowice municipality (gmina), in Katowice county (powiat), śląskie voivodeship, Poland. Centre of the area based on address points: 50.2511, 19.0108.
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