Postal code 05-205 – Ostrówek
Ostrówek, Klembów municipality, wołomiński county, mazowieckie voivodeship
- localities
- 17
- streets
- 281
- buildings
- 4,654
Postal code 05-205 is used in 17 localities, including Ostrówek, Wola Rasztowska, Dobczyn, Klembów, Michałów (Klembów municipality, wołomiński county, mazowieckie voivodeship). It covers 4654 buildings on 281 streets – the full list with house numbers is below.
Which streets have postal code 05-205?
Which localities have postal code 05-205?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Barbary 1 05-205 Ostrówek
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 05-205 cover?
Postal code 05-205 covers 17 localities: Ostrówek, Wola Rasztowska, Dobczyn, Klembów, Michałów, Pasek, Stary Kraszew, Krzywica, Roszczep, Tuł and more, including streets: Barbary, Cedrowa, Dębowa, Jałowcowa, Katarzyny Giedroyć (wołomiński county, mazowieckie voivodeship).
Where is postal code 05-205?
In mazowieckie voivodeship, wołomiński county, Poland.
Is postal code 05-205 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 05-205?
Which municipality and county does 05-205 belong to?
The 05-205 area (Ostrówek) lies in Klembów municipality (gmina), in wołomiński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.3859, 21.3746.
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

