Postal code
gen. Józefa Sowińskiego, Ostrołęka
Ostrołęka, Ostrołęka municipality (gmina), Ostrołęka county (powiat), mazowieckie voivodeship
The postal code for gen. Józefa Sowińskiego in Ostrołęka is 07-401. Below you will find a map of the area, the post office and streets with the same code. This street has 11 buildings with a listed postal code; 26 other streets in this locality also use 07-401. The locality is in Ostrołęka county (powiat), mazowieckie voivodeship.
| Code | Building numbers |
|---|---|
| 1, 3, 3A, 5, 7, 7A, 9, 11, 13, 15, 17 |
How to address a letter or parcel in Poland?
Jan Kowalski gen. Józefa Sowińskiego 1 07-401 Ostrołęka
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. Józefa Sowińskiego, Ostrołęka?
The postal code for gen. Józefa Sowińskiego (Ostrołęka) is 07-401.
What determines the postal code for gen. Józefa Sowińskiego?
gen. Józefa Sowińskiego (Ostrołęka) has one postal code (07-401), so the building number does not affect the code.
Which other streets use postal code 07-401?
Where else can you find gen. Józefa Sowińskiego?
Which postal codes are near 07-401?
Where is gen. Józefa Sowińskiego, Ostrołęka?
gen. Józefa Sowińskiego, Ostrołęka, lies in Ostrołęka municipality (gmina), in Ostrołęka county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 53.0975, 21.5890.
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