Kosewo postal code
Village · żuromiński county (powiat) · Żuromin municipality (gmina) · mazowieckie voivodeship
- code
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- streets
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The postal code for Kosewo is 09-300. The code covers 3 streets.
Postal code – Kosewo
Streets A–Z (3)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Dębowa 1 09-300 Kosewo
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 Kosewo?
The postal code for Kosewo is 09-300.
Which voivodeship and county is Kosewo in?
Kosewo (village) is in żuromiński county (powiat), Żuromin municipality (gmina), mazowieckie voivodeship.
Are there other localities named Kosewo?
Yes – 6 localities share this name, including in these voivodeships: wielkopolskie, mazowieckie, warmińsko-mazurskie. Each has its own postal code.
Which localities are closest to Kosewo?
The closest localities to Kosewo are: Sadowo (1.5 km), Kliczewo Małe (2 km), Kliczewo Duże (2.1 km), Olszewo (2.4 km), Cierpigórz (2.6 km), Olszewko (3.3 km). Distances are measured in a straight line between locality centres.
Localities near Kosewo (żuromiński county)
Which county and municipality does Kosewo belong to?
Kosewo lies in Żuromin municipality (gmina), in żuromiński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 53.0583, 19.9795.
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