Postal code 34-300 – Żywiec
Żywiec, Żywiec municipality, żywiecki county, śląskie voivodeship
- localities
- 4
- streets
- 357
- buildings
- 7,481
Postal code 34-300 is used in 4 localities, including Żywiec, Leśna, Sienna, Siekierczyna (Żywiec municipality, żywiecki county, śląskie voivodeship). It covers 7481 buildings on 357 streets – the full list with house numbers is below.
Which streets have postal code 34-300?
Which localities have postal code 34-300?
How to address a letter or parcel in Poland?
Jan Kowalski al. Legionów 1 34-300 Żywiec
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 34-300 cover?
Postal code 34-300 covers 4 localities: Żywiec, Leśna, Sienna, Siekierczyna, including streets: Legionów, Piłsudskiego, Armii Krajowej, Astrów, Bławatkowa (żywiecki county, śląskie voivodeship).
Where is postal code 34-300?
In śląskie voivodeship, żywiecki county, Poland.
Is postal code 34-300 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 municipality and county does 34-300 belong to?
The 34-300 area (Żywiec) lies in Żywiec municipality (gmina), in żywiecki county (powiat), śląskie voivodeship, Poland. Centre of the area based on address points: 49.6883, 19.1938.
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

