Piastów postal code
Town · pruszkowski county (powiat) · Piastów municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 157
The postal code for Piastów is 05-820. The code covers 157 streets.
Postal code – Piastów
Streets A–Z (157)
How to address a letter or parcel in Poland?
Jan Kowalski ul. 11 Listopada 1 05-820 Piastów
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 Piastów?
The postal code for Piastów is 05-820.
Which voivodeship and county is Piastów in?
Piastów (town) is in pruszkowski county (powiat), Piastów municipality (gmina), mazowieckie voivodeship.
Are there other localities named Piastów?
Yes – 3 localities share this name, including in these voivodeships: mazowieckie. Each has its own postal code.
Which localities are closest to Piastów?
The closest localities to Piastów are: Reguły (1.7 km), Konotopa (2 km), Jawczyce (2.7 km), Bronisze (3 km), Pruszków (3 km), Michałowice (3.1 km). Distances are measured in a straight line between locality centres.
Localities near Piastów (pruszkowski county)
Which county and municipality does Piastów belong to?
Piastów lies in Piastów municipality (gmina), in pruszkowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.1847, 20.8449.
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

