Kierszek postal code
Village · piaseczyński county (powiat) · Konstancin-Jeziorna municipality (gmina) · mazowieckie voivodeship
- codes
- 3
- streets
- 4
Kierszek has 3 postal codes: 05-500, 05-510, 05-520. The correct code depends on the street. The directory covers 4 streets.05-520 – 1 street: Kabacka
All postal codes (3) – Kierszek
Streets A–Z (4)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Działkowa 1 05-500 Kierszek
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 Kierszek have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Kierszek has 3 postal codes – find the right one in the street directory.
What is the postal code for Kierszek?
Kierszek has 3 postal codes: 05-500, 05-510, 05-520. The correct code depends on the street.
Which voivodeship and county is Kierszek in?
Kierszek (village) is in piaseczyński county (powiat), Konstancin-Jeziorna municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Kierszek?
The closest localities to Kierszek are: Julianów (1 km), Józefosław (1.2 km), Chyliczki (1.7 km), Chylice (2.8 km), Chylice-Pólko (3.3 km), Konstancin-Jeziorna (3.4 km). Distances are measured in a straight line between locality centres.
Localities near Kierszek (piaseczyński county)
Which county and municipality does Kierszek belong to?
Kierszek lies in Konstancin-Jeziorna municipality (gmina), in piaseczyński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.1026, 21.0646.
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

