Kosów postal code
Village · piaseczyński county (powiat) · Lesznowola municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 10
The postal code for Kosów is 05-552. The code covers 10 streets.
Postal code – Kosów
Streets A–Z (10)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Dmuchawców 1 05-552 Kosów
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 Kosów?
The postal code for Kosów is 05-552.
Which voivodeship and county is Kosów in?
Kosów (village) is in piaseczyński county (powiat), Lesznowola municipality (gmina), mazowieckie voivodeship.
Are there other localities named Kosów?
Yes – 3 localities share this name, including in these voivodeships: łódzkie, mazowieckie. Each has its own postal code.
Which localities are closest to Kosów?
The closest localities to Kosów are: Wólka Kosowska (1.5 km), Stachowo (1.5 km), Parole (1.6 km), Mroków (2.1 km), Jastrzębiec (2.2 km), Szamoty (2.3 km). Distances are measured in a straight line between locality centres.
Localities near Kosów (piaseczyński county)
Which county and municipality does Kosów belong to?
Kosów lies in Lesznowola municipality (gmina), in piaseczyński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.0519, 20.8266.
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