Siedlec Duży postal code
Village · myszkowski county (powiat) · Koziegłowy municipality (gmina) · śląskie voivodeship
- code
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- streets
- 6
The postal code for Siedlec Duży is 42-350. The code covers 6 streets.
Postal code – Siedlec Duży
Streets A–Z (6)
How to address a letter or parcel in Poland?
Jan Kowalski ul. 3 Maja 1 42-350 Siedlec Duży
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 is the postal code for Siedlec Duży?
The postal code for Siedlec Duży is 42-350.
Which voivodeship and county is Siedlec Duży in?
Siedlec Duży (village) is in myszkowski county (powiat), Koziegłowy municipality (gmina), śląskie voivodeship.
Which localities are closest to Siedlec Duży?
The closest localities to Siedlec Duży are: Siedlec Mały (1.4 km), Koziegłowy (3.4 km), Mzyki (3.9 km), Gniazdów (4.2 km), Podlesie (4.3 km), Romanów (4.3 km). Distances are measured in a straight line between locality centres.
Localities near Siedlec Duży (myszkowski county)
Which county and municipality does Siedlec Duży belong to?
Siedlec Duży lies in Koziegłowy municipality (gmina), in myszkowski county (powiat), śląskie voivodeship, Poland. Centre of the area based on address points: 50.6299, 19.1365.
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