Sieroszewo postal code
Village · włocławski county (powiat) · Boniewo municipality (gmina) · kujawsko-pomorskie voivodeship
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The postal code for Sieroszewo is 87-851.
Postal code – Sieroszewo
How to address a letter or parcel in Poland?
Jan Kowalski Sieroszewo 15 87-851 Sieroszewo
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 Sieroszewo, so the second line contains the locality name and property number (e.g. Sieroszewo 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 Sieroszewo if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Sieroszewo 15”. On the last line, write the postal code 87-851 and the locality or post office name.
What is the postal code for Sieroszewo?
The postal code for Sieroszewo is 87-851.
Which voivodeship and county is Sieroszewo in?
Sieroszewo (village) is in włocławski county (powiat), Boniewo municipality (gmina), kujawsko-pomorskie voivodeship.
Which localities are closest to Sieroszewo?
The closest localities to Sieroszewo are: Paruszewice (0.5 km), Czuple (1.2 km), Łąki Markowe (1.3 km), Mikołajki (1.6 km), Borzymowice (1.7 km), Szczytno (1.9 km). Distances are measured in a straight line between locality centres.
Localities near Sieroszewo (włocławski county)
Which county and municipality does Sieroszewo belong to?
Sieroszewo lies in Boniewo municipality (gmina), in włocławski county (powiat), kujawsko-pomorskie voivodeship, Poland. Centre of the area based on address points: 52.4799, 18.9401.
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