Kierwik postal code
Village · szczycieński county (powiat) · Świętajno municipality (gmina) · warmińsko-mazurskie voivodeship
- codes
- 2
- streets
- 7
Kierwik has 2 postal codes: 12-140, 12-150. The correct code depends on the street. The directory covers 7 streets.12-150 – 6 streets: Brzozowa, Długa, Jaśminowa, Pomostowa and 2 more
All postal codes (2) – Kierwik
Streets A–Z (7)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Brzozowa 1 12-150 Kierwik
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 Kierwik have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Kierwik has 2 postal codes – find the right one in the street directory.
What is the postal code for Kierwik?
Kierwik has 2 postal codes: 12-140, 12-150. The correct code depends on the street.
Which voivodeship and county is Kierwik in?
Kierwik (village) is in szczycieński county (powiat), Świętajno municipality (gmina), warmińsko-mazurskie voivodeship.
Which localities are closest to Kierwik?
The closest localities to Kierwik are: Bystrz (0.7 km), Koczek (1.6 km), Spychowo (1.7 km), Niedźwiedzi Kąt (3 km), Szklarnia (4.5 km), Karwica Mazurska (4.8 km). Distances are measured in a straight line between locality centres.
Localities near Kierwik (szczycieński county)
Which county and municipality does Kierwik belong to?
Kierwik lies in Świętajno municipality (gmina), in szczycieński county (powiat), warmińsko-mazurskie voivodeship, Poland. Centre of the area based on address points: 53.6073, 21.3714.
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

