BazaKodow – postal codes in Poland

Postal code

ul. Tadeusza Gajcego, Ostrów Mazowiecka

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

The postal code for ul. Tadeusza Gajcego 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 4 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 ul. Tadeusza Gajcego?
CodeBuilding numbers
3–6

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Tadeusza Gajcego 3
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 ul. Tadeusza Gajcego, Ostrów Mazowiecka?

The postal code for ul. Tadeusza Gajcego (Ostrów Mazowiecka) is 07-300.

What determines the postal code for ul. Tadeusza Gajcego?

ul. Tadeusza Gajcego (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 ul. Tadeusza Gajcego?

All localities with ul. Tadeusza Gajcego →

Which postal codes are near 07-300?

Where is ul. Tadeusza Gajcego, Ostrów Mazowiecka?

ul. Tadeusza Gajcego, Ostrów Mazowiecka, lies in Ostrów Mazowiecka municipality (gmina), in ostrowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.7902, 21.8759.

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