Osiek postal code
Village · brodnicki county (powiat) · Osiek municipality (gmina) · kujawsko-pomorskie voivodeship
- code
- 1
- streets
- 10
The postal code for Osiek is 87-340. The code covers 10 streets.
Postal code – Osiek
Streets A–Z (10)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Akacjowa 1 87-340 Osiek
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 Osiek?
The postal code for Osiek is 87-340.
Which voivodeship and county is Osiek in?
Osiek (village) is in brodnicki county (powiat), Osiek municipality (gmina), kujawsko-pomorskie voivodeship.
Are there other localities named Osiek?
Yes – 20 localities share this name, including in these voivodeships: małopolskie, dolnośląskie, świętokrzyskie, pomorskie, opolskie, śląskie, kujawsko-pomorskie, mazowieckie, łódzkie, wielkopolskie, lubuskie. Each has its own postal code.
Which localities are closest to Osiek?
The closest localities to Osiek are: Kolonia Osiek (1.8 km), Jeziórki (1.8 km), Obórki (2 km), Dębowo (2.5 km), Łapinóż (2.8 km), Tomaszewo (2.8 km). Distances are measured in a straight line between locality centres.
Localities near Osiek (brodnicki county)
Which county and municipality does Osiek belong to?
Osiek lies in Osiek municipality (gmina), in brodnicki county (powiat), kujawsko-pomorskie voivodeship, Poland. Centre of the area based on address points: 53.1684, 19.3900.
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