Postal code 18-305 – Szumowo
Szumowo, Szumowo municipality, zambrowski county, podlaskie voivodeship
- localities
- 21
- streets
- 13
- buildings
- 407
Postal code 18-305 is used in 21 localities, including Szumowo, Głębocz Wielki, Kaczynek, Kalinowo, Krajewo-Budziły (Szumowo municipality, zambrowski county, podlaskie voivodeship). It covers 407 buildings on 13 streets – the full list with house numbers is below.
Which streets have postal code 18-305?
Which localities have postal code 18-305?
How to address a letter or parcel in Poland?
Jan Kowalski ul. 1 Maja 1 18-305 Szumowo
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 18-305 cover?
Postal code 18-305 covers 21 localities: Szumowo, Głębocz Wielki, Kaczynek, Kalinowo, Krajewo-Budziły, Łętownica, Mroczki-Stylongi, Nowe Szumowo, Ostrożne, Paproć Duża and more, including streets: 1 Maja, Cmentarna, Dolna, kpt. Antoniego Kozłowskiego, Krótka (zambrowski county, podlaskie voivodeship).
Where is postal code 18-305?
In podlaskie voivodeship, zambrowski county, Poland.
Is postal code 18-305 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 18-305?
Which municipality and county does 18-305 belong to?
The 18-305 area (Szumowo) lies in Szumowo municipality (gmina), in zambrowski county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.9208, 22.0840.
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

