Postal code
ul. Jana III, Nieporęt
Nieporęt, Nieporęt municipality (gmina), legionowski county (powiat), mazowieckie voivodeship
The postal code for ul. Jana III in Nieporęt is 05-126. Below you will find a map of the area, the post office and streets with the same code. This street has 14 buildings with a listed postal code; 40 other streets in this locality also use 05-126. The locality is in legionowski county (powiat), mazowieckie voivodeship.
| Code | Building numbers |
|---|---|
| 1–14 |
How to address a letter or parcel in Poland?
Jan Kowalski ul. Jana III 1 05-126 Nieporęt
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 III, Nieporęt?
The postal code for ul. Jana III (Nieporęt) is 05-126.
What determines the postal code for ul. Jana III?
ul. Jana III (Nieporęt) has one postal code (05-126), so the building number does not affect the code.
Which other streets use postal code 05-126?
Where else can you find ul. Jana III?
All localities with ul. Jana III →Which postal codes are near 05-126?
Where is ul. Jana III, Nieporęt?
ul. Jana III, Nieporęt, lies in Nieporęt municipality (gmina), in legionowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.4020, 21.0393.
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

