BazaKodow – postal codes in Poland

Postal code

ul. Tysiąclecia Państwa Polskiego, Konstancin-Jeziorna

Konstancin-Jeziorna, Konstancin-Jeziorna municipality (gmina), piaseczyński county (powiat), mazowieckie voivodeship

ul. Tysiąclecia Państwa Polskiego in Konstancin-Jeziorna has 2 postal codes: 05-510, 05-520. The correct code depends on the building number — check the table below. This street has 16 buildings with a listed postal code; 40 other streets in this locality also use 05-510. The locality is in piaseczyński county (powiat), mazowieckie voivodeship.

Which postal code applies to each building number on ul. Tysiąclecia Państwa Polskiego?
CodeBuilding numbers
10C, 10D
1–2, 2A, 3–5, 7, 7A, 9, 9A, 10, 10A, 10B, 12
ul. Tysiąclecia Państwa Polskiego, Konstancin-JeziornaOpen in OSM ↗

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Tysiąclecia Państwa Polskiego 10C
05-510 Konstancin-Jeziorna

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. The postal code on this street depends on the building number. Before posting, make sure it matches the number in the table.

Frequently asked questions

What is the postal code for ul. Tysiąclecia Państwa Polskiego, Konstancin-Jeziorna?

ul. Tysiąclecia Państwa Polskiego (Konstancin-Jeziorna) has 2 postal codes: 05-510, 05-520.

What determines the postal code for ul. Tysiąclecia Państwa Polskiego?

On longer streets, Polish Post assigns different postal codes to ranges of building numbers, often separately for even and odd numbers. The code for ul. Tysiąclecia Państwa Polskiego therefore depends on the building number — see the ranges in the table above.

Which other streets use postal code 05-510?

Where else can you find ul. Tysiąclecia Państwa Polskiego?

All localities with ul. Tysiąclecia Państwa Polskiego →

Which postal codes are near 05-510?

Where is ul. Tysiąclecia Państwa Polskiego, Konstancin-Jeziorna?

ul. Tysiąclecia Państwa Polskiego, Konstancin-Jeziorna, lies in Konstancin-Jeziorna municipality (gmina), in piaseczyński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.0980, 21.1192.

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