Postal code 08-103 – Żelków-Kolonia
Żelków-Kolonia, Siedlce municipality, siedlecki county, mazowieckie voivodeship
- localities
- 7
- streets
- 73
- buildings
- 1,486
Postal code 08-103 is used in 7 localities, including Żelków-Kolonia, Nowe Iganie, Nowe Opole, Stare Opole, Stare Iganie (Siedlce municipality, siedlecki county, mazowieckie voivodeship). It covers 1486 buildings on 73 streets – the full list with house numbers is below.
Which streets have postal code 08-103?
Which localities have postal code 08-103?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Piaskowa 1 08-103 Żelków-Kolonia
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 08-103 cover?
Postal code 08-103 covers 7 localities: Żelków-Kolonia, Nowe Iganie, Nowe Opole, Stare Opole, Stare Iganie, Opole-Świerczyna, Ostrówek, including streets: Piaskowa, Gen. Ignacego Prądzyńskiego, Świerkowa, Szkolna, 10 Kwietnia (siedlecki county, mazowieckie voivodeship).
Where is postal code 08-103?
In mazowieckie voivodeship, siedlecki county, Poland.
Is postal code 08-103 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 08-103?
Which municipality and county does 08-103 belong to?
The 08-103 area (Żelków-Kolonia) lies in Siedlce municipality (gmina), in siedlecki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.1493, 22.2097.
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

