BazaKodow – postal codes in Poland

Postal code

ul. Księcia Ziemowita, Mszczonów

Mszczonów, Mszczonów municipality (gmina), żyrardowski county (powiat), mazowieckie voivodeship

The postal code for ul. Księcia Ziemowita in Mszczonów is 96-320. Below you will find a map of the area, the post office and streets with the same code. This street has 19 buildings with a listed postal code; 40 other streets in this locality also use 96-320. The locality is in żyrardowski county (powiat), mazowieckie voivodeship.

Which postal code applies to each building number on ul. Księcia Ziemowita?
CodeBuilding numbers
1, 3–4, 8, 9A, 9B, 10, 11A, 11B, 15, 17–23, 25, 27
ul. Księcia Ziemowita, MszczonówOpen in OSM ↗

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Księcia Ziemowita 1
96-320 Mszczonów

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. Księcia Ziemowita, Mszczonów?

The postal code for ul. Księcia Ziemowita (Mszczonów) is 96-320.

What determines the postal code for ul. Księcia Ziemowita?

ul. Księcia Ziemowita (Mszczonów) has one postal code (96-320), so the building number does not affect the code.

Which other streets use postal code 96-320?

Where else can you find ul. Księcia Ziemowita?

All localities with ul. Księcia Ziemowita →

Which postal codes are near 96-320?

Where is ul. Księcia Ziemowita, Mszczonów?

ul. Księcia Ziemowita, Mszczonów, lies in Mszczonów municipality (gmina), in żyrardowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 51.9714, 20.5073.

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