Postal code
ul. Jana Mariańskiego, Ostrów Wielkopolski
Ostrów Wielkopolski, Ostrów Wielkopolski municipality (gmina), ostrowski county (powiat), wielkopolskie voivodeship
The postal code for ul. Jana Mariańskiego in Ostrów Wielkopolski is 63-400. Below you will find a map of the area, the post office and streets with the same code. This street has 12 buildings with a listed postal code; 40 other streets in this locality also use 63-400. The locality is in ostrowski county (powiat), wielkopolskie voivodeship.
| Code | Building numbers |
|---|---|
| 1, 3, 5, 7, 9, 11–13, 15, 17, 19, 21 |
How to address a letter or parcel in Poland?
Jan Kowalski ul. Jana Mariańskiego 1 63-400 Ostrów Wielkopolski
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 ul. Jana Mariańskiego, Ostrów Wielkopolski?
The postal code for ul. Jana Mariańskiego (Ostrów Wielkopolski) is 63-400.
What determines the postal code for ul. Jana Mariańskiego?
ul. Jana Mariańskiego (Ostrów Wielkopolski) has one postal code (63-400), so the building number does not affect the code.
Which other streets use postal code 63-400?
Where is ul. Jana Mariańskiego, Ostrów Wielkopolski?
ul. Jana Mariańskiego, Ostrów Wielkopolski, lies in Ostrów Wielkopolski municipality (gmina), in ostrowski county (powiat), wielkopolskie voivodeship, Poland. Centre of the area based on address points: 51.6557, 17.7851.
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