Kostów postal code
Village · kluczborski county (powiat) · Byczyna municipality (gmina) · opolskie voivodeship
- code
- 1
- streets
- 6
The postal code for Kostów is 46-220. The code covers 6 streets.
Postal code – Kostów
Streets A–Z (6)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Bohaterów Powstań Śląskich 1 46-220 Kostów
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 Kostów?
The postal code for Kostów is 46-220.
Which voivodeship and county is Kostów in?
Kostów (village) is in kluczborski county (powiat), Byczyna municipality (gmina), opolskie voivodeship.
Which localities are closest to Kostów?
The closest localities to Kostów are: Siemianice (1.8 km), Ciecierzyn (2.9 km), Klasak (2.9 km), Marianka Siemieńska (3 km), Chróścin (3.1 km), Wesoła (3.3 km). Distances are measured in a straight line between locality centres.
Localities near Kostów (kluczborski county)
Which county and municipality does Kostów belong to?
Kostów lies in Byczyna municipality (gmina), in kluczborski county (powiat), opolskie voivodeship, Poland. Centre of the area based on address points: 51.1628, 18.1492.
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

