BazaKodow – postal codes in Poland

Postal code

ul. Karola Olszewskiego, Kielce

Kielce, Kielce municipality (gmina), Kielce county (powiat), świętokrzyskie voivodeship

ul. Karola Olszewskiego in Kielce has 2 postal codes: 25-223, 25-663. The correct code depends on the building number — check the table below. This street has 20 buildings with a listed postal code; 3 other streets in this locality also use 25-223. The locality is in Kielce county (powiat), świętokrzyskie voivodeship.

Which postal code applies to each building number on ul. Karola Olszewskiego?
CodeBuilding numbers
4H
2, 2A, 2D, 4–6, 6B, 9, 15A, 16, 18, 19A, 19B, 19C, 20–21, 22A, 23, 25
ul. Karola Olszewskiego, KielceOpen in OSM ↗

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Karola Olszewskiego 4H
25-223 Kielce

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. Karola Olszewskiego, Kielce?

ul. Karola Olszewskiego (Kielce) has 2 postal codes: 25-223, 25-663.

What determines the postal code for ul. Karola Olszewskiego?

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. Karola Olszewskiego 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 Kielce 1, ul. Kościuszki 2. Mail may also be delivered by another, closer branch — check the post office map.

Which other streets use postal code 25-223?

Where else can you find ul. Karola Olszewskiego?

All localities with ul. Karola Olszewskiego →

Which postal codes are near 25-223?

Where is ul. Karola Olszewskiego, Kielce?

ul. Karola Olszewskiego, Kielce, lies in Kielce municipality (gmina), in Kielce county (powiat), świętokrzyskie voivodeship, Poland. Centre of the area based on address points: 50.8928, 20.6262.

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