Niecki postal code
Village · białostocki county (powiat) · Turośń Kościelna municipality (gmina) · podlaskie voivodeship
- code
- 1
- streets
- 11
The postal code for Niecki is 18-106. The code covers 11 streets.
Postal code – Niecki
Streets A–Z (11)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Brzozowa 1 18-106 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.
Frequently asked questions
What is the postal code for Niecki?
The postal code for Niecki is 18-106.
Which voivodeship and county is Niecki in?
Niecki (village) is in białostocki county (powiat), Turośń Kościelna municipality (gmina), podlaskie voivodeship.
Are there other localities named Niecki?
Yes – 3 localities share this name, including in these voivodeships: łódzkie, mazowieckie. Each has its own postal code.
Which localities are closest to Niecki?
The closest localities to Niecki are: Iwanówka (0.9 km), Markowszczyzna (1.5 km), Zalesiany (2 km), Juraszki (2.2 km), Tołcze (2.2 km), Pomigacze (2.6 km). Distances are measured in a straight line between locality centres.
Localities near Niecki (białostocki county)
Which county and municipality does Niecki belong to?
Niecki lies in Turośń Kościelna municipality (gmina), in białostocki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.0429, 23.0477.
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