Niwki postal code
Village · częstochowski county (powiat) · Kłomnice municipality (gmina) · śląskie voivodeship
- code
- 1
- streets
- 4
The postal code for Niwki is 42-270. The code covers 4 streets.
Postal code – Niwki
Streets A–Z (4)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Brzozowa 1 42-270 Niwki
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 Niwki?
The postal code for Niwki is 42-270.
Which voivodeship and county is Niwki in?
Niwki (village) is in częstochowski county (powiat), Kłomnice municipality (gmina), śląskie voivodeship.
Are there other localities named Niwki?
Yes – 10 localities share this name, including in these voivodeships: opolskie, małopolskie, mazowieckie, wielkopolskie, kujawsko-pomorskie, podkarpackie. Each has its own postal code.
Which localities are closest to Niwki?
The closest localities to Niwki are: Rzerzęczyce (1.4 km), Przybyłów (1.8 km), Chorzenice (2.2 km), Witkowice (2.3 km), Adamów (2.3 km), Michałów Rudnicki (2.9 km). Distances are measured in a straight line between locality centres.
Localities near Niwki (częstochowski county)
Which county and municipality does Niwki belong to?
Niwki lies in Kłomnice municipality (gmina), in częstochowski county (powiat), śląskie voivodeship, Poland. Centre of the area based on address points: 50.8870, 19.3151.
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

