Postal code 18-300 – Zambrów
Zambrów, Zambrów municipality, zambrowski county, podlaskie voivodeship
- localities
- 72
- streets
- 118
- buildings
- 2,753
Postal code 18-300 is used in 72 localities, including Zambrów, Długobórz, Wola Zambrowska, Czerwony Bór, Bacze Mokre (Zambrów municipality, zambrowski county, podlaskie voivodeship). It covers 2753 buildings on 118 streets – the full list with house numbers is below.
Which streets have postal code 18-300?
Which localities have postal code 18-300?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Józefa Piłsudskiego 1 18-300 Zambrów
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 18-300 cover?
Postal code 18-300 covers 72 localities: Zambrów, Długobórz, Wola Zambrowska, Czerwony Bór, Bacze Mokre, Boruty-Goski, Brajczewo-Sierzputy, Chmiele-Pogorzele, Chorzele, Cieciorki and more, including streets: Józefa Piłsudskiego, 71 Pułku Piechoty, Adama Mickiewicza, Wojska Polskiego, Białostocka (zambrowski county, podlaskie voivodeship).
Where is postal code 18-300?
In podlaskie voivodeship, zambrowski county, Poland.
Is postal code 18-300 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 18-300?
Which municipality and county does 18-300 belong to?
The 18-300 area (Zambrów) lies in Zambrów municipality (gmina), in zambrowski county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.9852, 22.2457.
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

