Postal code 18-106 – Niewodnica Kościelna
Niewodnica Kościelna, Turośń Kościelna municipality, białostocki county, podlaskie voivodeship
- localities
- 35
- streets
- 199
- buildings
- 1,884
Postal code 18-106 is used in 35 localities, including Niewodnica Kościelna, Niewodnica Korycka, Turośń Kościelna, Baciuty, Turośń Dolna (Turośń Kościelna municipality, białostocki county, podlaskie voivodeship). It covers 1884 buildings on 199 streets – the full list with house numbers is below.
Which streets have postal code 18-106?
Which localities have postal code 18-106?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Borsucza 1 18-106 Niewodnica Kościelna
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 address does postal code 18-106 cover?
Postal code 18-106 covers 35 localities: Niewodnica Kościelna, Niewodnica Korycka, Turośń Kościelna, Baciuty, Turośń Dolna, Zalesiany, Tołcze, Niecki, Pomigacze, Markowszczyzna and more, including streets: Borsucza, Brzozowa, Bukowina, Cedrowa, Chmielna (białostocki county, podlaskie voivodeship).
Where is postal code 18-106?
In podlaskie voivodeship, białostocki county, Poland.
Is postal code 18-106 enough to send a parcel?
No – always write the postal code together with the town or post office name and the full address (street and building number, or the village name with the house number).
Which postal codes are next to 18-106?
Which municipality and county does 18-106 belong to?
The 18-106 area (Niewodnica Kościelna) lies in Turośń Kościelna municipality (gmina), in białostocki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.0933, 23.0478.
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

