Kostkowo postal code
Village · wejherowski county (powiat) · Gniewino municipality (gmina) · pomorskie voivodeship
- codes
- 2
- streets
- 11
Kostkowo has 2 postal codes: 84-250, 84-251. The correct code depends on the street. The directory covers 11 streets.84-250 – 3 streets: Kościelna, Księdza Galasa, Wodna84-251 – 1 street: Łąkowa
All postal codes (2) – Kostkowo
Streets A–Z (11)
Streets with the most postal codes – Kostkowo
On long streets, the code depends on the building number. The streets with the most codes in Kostkowo are: ul. Klonowa (2 codes), ul. Na Stoku (2 codes), ul. Olchowa (2 codes). Click a street to find the code for a specific building number.
How to address a letter or parcel in Poland?
Jan Kowalski ul. Klonowa 1 84-250 Kostkowo
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
Why does Kostkowo have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Kostkowo has 2 postal codes – find the right one in the street directory.
What is the postal code for Kostkowo?
Kostkowo has 2 postal codes: 84-250, 84-251. The correct code depends on the street.
Which voivodeship and county is Kostkowo in?
Kostkowo (village) is in wejherowski county (powiat), Gniewino municipality (gmina), pomorskie voivodeship.
Which localities are closest to Kostkowo?
The closest localities to Kostkowo are: Tadzino (1.7 km), Płaczewo (1.9 km), Słuszewo (2.2 km), Lisewo (2.8 km), Rybienko (2.8 km), Jęczewo (2.8 km). Distances are measured in a straight line between locality centres.
Localities near Kostkowo (wejherowski county)
Which county and municipality does Kostkowo belong to?
Kostkowo lies in Gniewino municipality (gmina), in wejherowski county (powiat), pomorskie voivodeship, Poland. Centre of the area based on address points: 54.6674, 18.0294.
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

