BazaKodow – postal codes in Poland

Postal code

gen. Mariana Langiewicza, Ostrów Mazowiecka

Ostrów Mazowiecka, Ostrów Mazowiecka municipality (gmina), ostrowski county (powiat), mazowieckie voivodeship

The postal code for gen. Mariana Langiewicza in Ostrów Mazowiecka is 07-300. Below you will find a map of the area, the post office and streets with the same code. This street has 5 buildings with a listed postal code; 40 other streets in this locality also use 07-300. The locality is in ostrowski county (powiat), mazowieckie voivodeship.

Which postal code applies to each building number on gen. Mariana Langiewicza?
CodeBuilding numbers
2–4, 6, 10
gen. Mariana Langiewicza, Ostrów MazowieckaOpen in OSM ↗

How to address a letter or parcel in Poland?

Jan Kowalski
gen. Mariana Langiewicza 2
07-300 Ostrów Mazowiecka

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 gen. Mariana Langiewicza, Ostrów Mazowiecka?

The postal code for gen. Mariana Langiewicza (Ostrów Mazowiecka) is 07-300.

What determines the postal code for gen. Mariana Langiewicza?

gen. Mariana Langiewicza (Ostrów Mazowiecka) has one postal code (07-300), so the building number does not affect the code.

Which other streets use postal code 07-300?

Where else can you find gen. Mariana Langiewicza?

All localities with gen. Mariana Langiewicza →

Which postal codes are near 07-300?

Where is gen. Mariana Langiewicza, Ostrów Mazowiecka?

gen. Mariana Langiewicza, Ostrów Mazowiecka, lies in Ostrów Mazowiecka municipality (gmina), in ostrowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.7884, 21.8872.

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