Kolno postal code
Town · kolneński county (powiat) · Kolno municipality (gmina) · podlaskie voivodeship
- code
- 1
- streets
- 72
The postal code for Kolno is 18-500. The code covers 72 streets.
Postal code – Kolno
Streets A–Z (72)
How to address a letter or parcel in Poland?
Jan Kowalski ul. 1 Maja 1 18-500 Kolno
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 Kolno?
The postal code for Kolno is 18-500.
Which voivodeship and county is Kolno in?
Kolno (town) is in kolneński county (powiat), Kolno municipality (gmina), podlaskie voivodeship.
Are there other localities named Kolno?
Yes – 8 localities share this name, including in these voivodeships: wielkopolskie, zachodniopomorskie, warmińsko-mazurskie, kujawsko-pomorskie, mazowieckie. Each has its own postal code.
Which localities are closest to Kolno?
The closest localities to Kolno are: Stary Gromadzyn (2.1 km), Gromadzyn-Wykno (2.7 km), Czerwone (3.7 km), Tyszki-Łabno (4.1 km), Czernice (4.1 km), Zabiele (5 km). Distances are measured in a straight line between locality centres.
Localities near Kolno (kolneński county)
Which county and municipality does Kolno belong to?
Kolno lies in Kolno municipality (gmina), in kolneński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.4091, 21.9320.
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

