Olszewnica Stara postal code
Village · legionowski county (powiat) · Wieliszew municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 38
The postal code for Olszewnica Stara is 05-123. The code covers 38 streets.
Postal code – Olszewnica Stara
Streets A–Z (38)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Adama Naruszewicza 1 05-123 Olszewnica Stara
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 Olszewnica Stara?
The postal code for Olszewnica Stara is 05-123.
Which voivodeship and county is Olszewnica Stara in?
Olszewnica Stara (village) is in legionowski county (powiat), Wieliszew municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Olszewnica Stara?
The closest localities to Olszewnica Stara are: Olszewnica Nowa (1.3 km), Dąbrowa Chotomowska (1.7 km), Kałuszyn (1.8 km), Krubin (3 km), Chotomów (3.3 km), Skrzeszew (3.4 km). Distances are measured in a straight line between locality centres.
Localities near Olszewnica Stara (legionowski county)
Which county and municipality does Olszewnica Stara belong to?
Olszewnica Stara lies in Wieliszew municipality (gmina), in legionowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.4352, 20.8581.
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

