Siewierz postal code
Town · będziński county (powiat) · Siewierz municipality (gmina) · śląskie voivodeship
- codes
- 2
- streets
- 131
Siewierz has 2 postal codes: 42-470, 42-471. The correct code depends on the street. The directory covers 131 streets.42-470 – 130 streets: 11 Listopada, 3 Maja, Adama Mickiewicza, Akacjowa and 126 more
All postal codes (2) – Siewierz
Streets A–Z (131)
Streets with the most postal codes – Siewierz
On long streets, the code depends on the building number. The streets with the most codes in Siewierz are: ul. Źródlana (2 codes). Click a street to find the code for a specific building number.
How to address a letter or parcel in Poland?
Jan Kowalski ul. 11 Listopada 1 42-470 Siewierz
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
Why does Siewierz have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Siewierz has 2 postal codes – find the right one in the street directory.
What is the postal code for Siewierz?
Siewierz has 2 postal codes: 42-470, 42-471. The correct code depends on the street.
Which voivodeship and county is Siewierz in?
Siewierz (town) is in będziński county (powiat), Siewierz municipality (gmina), śląskie voivodeship.
Which localities are closest to Siewierz?
The closest localities to Siewierz are: Zawarpie (3.6 km), Czekanka (3.7 km), Nowa Wioska (4 km), Gołuchowice (4.2 km), Boguchwałowice (4.4 km), Tuliszów (4.5 km). Distances are measured in a straight line between locality centres.
Localities near Siewierz (będziński county)
Which county and municipality does Siewierz belong to?
Siewierz lies in Siewierz municipality (gmina), in będziński county (powiat), śląskie voivodeship, Poland. Centre of the area based on address points: 50.4688, 19.2348.
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

