Postal code 84-400 – Kościerzyna
Kościerzyna, Kościerzyna municipality, kościerski county, pomorskie voivodeship
- locality
- 1
- street
- 1
- building
- 1
Postal code 84-400 is used in Kościerzyna (Kościerzyna municipality, kościerski county, pomorskie voivodeship). It covers 1 building on 1 street – the full list with house numbers is below.
Which streets have postal code 84-400?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Gościnna 1 84-400 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 address does postal code 84-400 cover?
Postal code 84-400 covers Kościerzyna, including streets: Gościnna (kościerski county, pomorskie voivodeship).
Where is postal code 84-400?
In pomorskie voivodeship, kościerski county, Poland.
Is postal code 84-400 enough to send a parcel?
No – always write the postal code together with the town or post office name and the full address (street and building number, or the village name with the house number).
Which municipality and county does 84-400 belong to?
The 84-400 area (Kościerzyna) lies in Kościerzyna municipality (gmina), in kościerski county (powiat), pomorskie voivodeship, Poland. Centre of the area based on address points: 54.1109, 18.0227.
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

