Niecki postal code
Village · gostyniński county (powiat) · Gostynin municipality (gmina) · mazowieckie voivodeship
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The postal code for Niecki is 09-500.
Postal code – Niecki
How to address a letter or parcel in Poland?
Jan Kowalski Niecki 15 09-500 Niecki
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 Niecki, so the second line contains the locality name and property number (e.g. Niecki 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 Niecki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Niecki 15”. On the last line, write the postal code 09-500 and the locality or post office name.
What is the postal code for Niecki?
The postal code for Niecki is 09-500.
Which voivodeship and county is Niecki in?
Niecki (village) is in gostyniński county (powiat), Gostynin municipality (gmina), mazowieckie voivodeship.
Are there other localities named Niecki?
Yes – 3 localities share this name, including in these voivodeships: podlaskie, łódzkie. Each has its own postal code.
Which localities are closest to Niecki?
The closest localities to Niecki are: Rębów (1.7 km), Belno (1.7 km), Anielin (1.8 km), Antoniewo (1.9 km), Wola Dziankowska (2 km), Pomarzany (2.2 km). Distances are measured in a straight line between locality centres.
Localities near Niecki (gostyniński county)
Which county and municipality does Niecki belong to?
Niecki lies in Gostynin municipality (gmina), in gostyniński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.4005, 19.3016.
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