Leszno postal code
Village · przasnyski county (powiat) · Przasnysz municipality (gmina) · mazowieckie voivodeship
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The postal code for Leszno is 06-300.
Postal code – Leszno
How to address a letter or parcel in Poland?
Jan Kowalski Leszno 15 06-300 Leszno
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. There are no named streets in Leszno, so the second line contains the locality name and property number (e.g. Leszno 15). If the serving post office is in another locality, its name can appear next to the code on the last line.
Frequently asked questions
How do I address a letter to Leszno if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Leszno 15”. On the last line, write the postal code 06-300 and the locality or post office name.
What is the postal code for Leszno?
The postal code for Leszno is 06-300.
Which voivodeship and county is Leszno in?
Leszno (village) is in przasnyski county (powiat), Przasnysz municipality (gmina), mazowieckie voivodeship.
Are there other localities named Leszno?
Yes – 7 localities share this name, including in these voivodeships: wielkopolskie, mazowieckie, podkarpackie, warmińsko-mazurskie, łódzkie. Each has its own postal code.
Which localities are closest to Leszno?
The closest localities to Leszno are: Sierakowo (2.1 km), Annopol (2.5 km), Cierpigórz (2.6 km), Gostkowo (2.8 km), Dobrzankowo (3.2 km), Księstwo (3.4 km). Distances are measured in a straight line between locality centres.
Localities near Leszno (przasnyski county)
Which county and municipality does Leszno belong to?
Leszno lies in Przasnysz municipality (gmina), in przasnyski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.9837, 20.9166.
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