Kościanki postal code
Village · słupecki county (powiat) · Strzałkowo municipality (gmina) · wielkopolskie voivodeship
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The postal code for Kościanki is 62-420.
Postal code – Kościanki
How to address a letter or parcel in Poland?
Jan Kowalski Kościanki 15 62-420 Kościanki
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. There are no named streets in Kościanki, so the second line contains the locality name and property number (e.g. Kościanki 15). If the serving post office is in another locality, its name can appear next to the code on the last line.
Frequently asked questions
How do I address a letter to Kościanki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Kościanki 15”. On the last line, write the postal code 62-420 and the locality or post office name.
What is the postal code for Kościanki?
The postal code for Kościanki is 62-420.
Which voivodeship and county is Kościanki in?
Kościanki (village) is in słupecki county (powiat), Strzałkowo municipality (gmina), wielkopolskie voivodeship.
Are there other localities named Kościanki?
Yes – 2 localities share this name, including in these voivodeships: wielkopolskie. Each has its own postal code.
Which localities are closest to Kościanki?
The closest localities to Kościanki are: Młodziejewice (1.2 km), Uścięcin (1.3 km), Graboszewo (2.2 km), Krępkowo (2.6 km), Unia (2.7 km), Gałęzewice (3.1 km). Distances are measured in a straight line between locality centres.
Localities near Kościanki (słupecki county)
Which county and municipality does Kościanki belong to?
Kościanki lies in Strzałkowo municipality (gmina), in słupecki county (powiat), wielkopolskie voivodeship, Poland. Centre of the area based on address points: 52.2804, 17.7295.
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