Sierniki postal code
Village · kościański county (powiat) · Czempiń municipality (gmina) · wielkopolskie voivodeship
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The postal code for Sierniki is 64-020. The code covers 1 street.
Postal code – Sierniki
Streets A–Z (1)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Pogodna 1 64-020 Sierniki
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 Sierniki?
The postal code for Sierniki is 64-020.
Which voivodeship and county is Sierniki in?
Sierniki (village) is in kościański county (powiat), Czempiń municipality (gmina), wielkopolskie voivodeship.
Are there other localities named Sierniki?
Yes – 3 localities share this name, including in these voivodeships: wielkopolskie, kujawsko-pomorskie. Each has its own postal code.
Which localities are closest to Sierniki?
The closest localities to Sierniki are: Bieczyny (1.7 km), Głuchowo (1.8 km), Piotrowo Pierwsze (2.5 km), Srocko (2.6 km), Srocko Wielkie (2.8 km), Bolesławiec (3.2 km). Distances are measured in a straight line between locality centres.
Localities near Sierniki (kościański county)
Which county and municipality does Sierniki belong to?
Sierniki lies in Czempiń municipality (gmina), in kościański county (powiat), wielkopolskie voivodeship, Poland. Centre of the area based on address points: 52.1947, 16.7285.
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