Osielsko postal code
Village · bydgoski county (powiat) · Osielsko municipality (gmina) · kujawsko-pomorskie voivodeship
- code
- 1
- streets
- 152
The postal code for Osielsko is 86-031. The code covers 152 streets.
Postal code – Osielsko
Streets A–Z (152)
How to address a letter or parcel in Poland?
Jan Kowalski al. Adama Mickiewicza 1 86-031 Osielsko
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 Osielsko?
The postal code for Osielsko is 86-031.
Which voivodeship and county is Osielsko in?
Osielsko (village) is in bydgoski county (powiat), Osielsko municipality (gmina), kujawsko-pomorskie voivodeship.
Which localities are closest to Osielsko?
The closest localities to Osielsko are: Myślęcinek (1.8 km), Niwy (2 km), Czarnówczyn (2.2 km), Jagodowo (2.5 km), Niemcz (2.6 km), Żołędowo (3.4 km). Distances are measured in a straight line between locality centres.
Localities near Osielsko (bydgoski county)
Which county and municipality does Osielsko belong to?
Osielsko lies in Osielsko municipality (gmina), in bydgoski county (powiat), kujawsko-pomorskie voivodeship, Poland. Centre of the area based on address points: 53.1859, 18.0754.
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

