Postal code
ul. Heleny Modrzejewskiej, Kędzierzyn-Koźle
Kędzierzyn-Koźle, Kędzierzyn-Koźle municipality (gmina), kędzierzyńsko-kozielski county (powiat), opolskie voivodeship
ul. Heleny Modrzejewskiej in Kędzierzyn-Koźle has 3 postal codes: 42-225, 47-220, 47-225. The correct code depends on the building number — check the table below. This street has 31 buildings with a listed postal code; 4 other streets in this locality also use 42-225. The locality is in kędzierzyńsko-kozielski county (powiat), opolskie voivodeship.
| Code | Building numbers |
|---|---|
| 27E | |
| 10B | |
| 1–4, 4d, 5–19, 21, 27A, 27B, 29, 31, 35, 39, 41, 43 |
How to address a letter or parcel in Poland?
Jan Kowalski ul. Heleny Modrzejewskiej 27E 42-225 Kędzierzyn-Koźle
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. Heleny Modrzejewskiej, Kędzierzyn-Koźle?
ul. Heleny Modrzejewskiej (Kędzierzyn-Koźle) has 3 postal codes: 42-225, 47-220, 47-225.
What determines the postal code for ul. Heleny Modrzejewskiej?
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. Heleny Modrzejewskiej therefore depends on the building number — see the ranges in the table above.
Which other streets use postal code 42-225?
Where else can you find ul. Heleny Modrzejewskiej?
Which postal codes are near 42-225?
Where is ul. Heleny Modrzejewskiej, Kędzierzyn-Koźle?
ul. Heleny Modrzejewskiej, Kędzierzyn-Koźle, lies in Kędzierzyn-Koźle municipality (gmina), in kędzierzyńsko-kozielski county (powiat), opolskie voivodeship, Poland. Centre of the area based on address points: 50.3608, 18.2434.
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