BazaKodow – postal codes in Poland

Postal code

ul. gen. Józefa Zajączka, Warszawa

Warszawa, Warszawa municipality (gmina), Warszawa county (powiat), mazowieckie voivodeship

ul. gen. Józefa Zajączka in Warszawa has 4 postal codes: 01-505, 01-510, 01-518, 01-522. The correct code depends on the building number — check the table below. This street has 28 buildings with a listed postal code. The locality is in Warszawa county (powiat), mazowieckie voivodeship.

Which postal code applies to each building number on ul. gen. Józefa Zajączka?
CodeBuilding numbers
17, 19, 21, 23, 25, 27
11, 11A, 11B, 11C, 15, 15A, 15B, 22, 24, 26, 28, 30, 32, 34, 40
1/5, 7, 7A, 9, 9A, 9B
8
ul. gen. Józefa Zajączka, WarszawaOpen in OSM ↗

How to address a letter or parcel in Poland?

Jan Kowalski
ul. gen. Józefa Zajączka 17
01-505 Warszawa

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. gen. Józefa Zajączka, Warszawa?

ul. gen. Józefa Zajączka (Warszawa) has 4 postal codes: 01-505, 01-510, 01-518, 01-522.

What determines the postal code for ul. gen. Józefa Zajączka?

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. gen. Józefa Zajączka therefore depends on the building number — see the ranges in the table above.

Which post office serves this address?

The main post office in this locality is UP Warszawa 1, ul. Świętokrzyska 31/33. Mail may also be delivered by another, closer branch — check the post office map.

Which postal codes are near 01-505?

Where is ul. gen. Józefa Zajączka, Warszawa?

ul. gen. Józefa Zajączka, Warszawa, lies in Warszawa municipality (gmina), in Warszawa county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.2609, 20.9846.

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