Lasek postal code
Village · otwocki county (powiat) · Celestynów municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 10
The postal code for Lasek is 05-430. The code covers 10 streets.
Postal code – Lasek
Streets A–Z (10)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Akacji 1 05-430 Lasek
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 Lasek?
The postal code for Lasek is 05-430.
Which voivodeship and county is Lasek in?
Lasek (village) is in otwocki county (powiat), Celestynów municipality (gmina), mazowieckie voivodeship.
Are there other localities named Lasek?
Yes – 12 localities share this name, including in these voivodeships: mazowieckie, małopolskie, pomorskie, świętokrzyskie, kujawsko-pomorskie, łódzkie, lubuskie, dolnośląskie, lubelskie. Each has its own postal code.
Which localities are closest to Lasek?
The closest localities to Lasek are: Celestynów (1.8 km), Regut (1.9 km), Tabor (2.1 km), Dąbrówka (2.3 km), Stara Wieś (3.4 km), Dyzin (4.1 km). Distances are measured in a straight line between locality centres.
Localities near Lasek (otwocki county)
Which county and municipality does Lasek belong to?
Lasek lies in Celestynów municipality (gmina), in otwocki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.0517, 21.3637.
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