Postal code
ul. Hieronima Derdowskiego, Kościerzyna
Kościerzyna, Kościerzyna municipality (gmina), kościerski county (powiat), pomorskie voivodeship
The postal code for ul. Hieronima Derdowskiego in Kościerzyna is 83-400. Below you will find a map of the area, the post office and streets with the same code. This street has 14 buildings with a listed postal code; 40 other streets in this locality also use 83-400. The locality is in kościerski county (powiat), pomorskie voivodeship.
| Code | Building numbers |
|---|---|
| 1–7, 7A, 8, 8a, 9–12 |
How to address a letter or parcel in Poland?
Jan Kowalski ul. Hieronima Derdowskiego 1 83-400 Kościerzyna
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 ul. Hieronima Derdowskiego, Kościerzyna?
The postal code for ul. Hieronima Derdowskiego (Kościerzyna) is 83-400.
What determines the postal code for ul. Hieronima Derdowskiego?
ul. Hieronima Derdowskiego (Kościerzyna) has one postal code (83-400), so the building number does not affect the code.
Which other streets use postal code 83-400?
Where else can you find ul. Hieronima Derdowskiego?
Which postal codes are near 83-400?
Where is ul. Hieronima Derdowskiego, Kościerzyna?
ul. Hieronima Derdowskiego, Kościerzyna, lies in Kościerzyna municipality (gmina), in kościerski county (powiat), pomorskie voivodeship, Poland. Centre of the area based on address points: 54.1294, 17.9692.
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

