Postal code 42-300 – Myszków
Myszków, Myszków municipality, myszkowski county, śląskie voivodeship
- locality
- 1
- streets
- 266
- buildings
- 7,362
Postal code 42-300 is used in Myszków (Myszków municipality, myszkowski county, śląskie voivodeship). It covers 7362 buildings on 266 streets – the full list with house numbers is below.
Which streets have postal code 42-300?
How to address a letter or parcel in Poland?
Jan Kowalski ul. 1 Maja 1 42-300 Myszków
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 42-300 cover?
Postal code 42-300 covers Myszków, including streets: 1 Maja, 11 Listopada, 3 Maja, 8 Marca, Akacjowa (myszkowski county, śląskie voivodeship).
Where is postal code 42-300?
In śląskie voivodeship, myszkowski county, Poland.
Is postal code 42-300 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 42-300 belong to?
The 42-300 area (Myszków) lies in Myszków municipality (gmina), in myszkowski county (powiat), śląskie voivodeship, Poland. Centre of the area based on address points: 50.5719, 19.3487.
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

