Postal code 09-120 – Nowe Miasto
Nowe Miasto, Nowe Miasto municipality, płoński county, mazowieckie voivodeship
- localities
- 35
- streets
- 64
- buildings
- 1,195
Postal code 09-120 is used in 35 localities, including Nowe Miasto, Aleksandria, Gawłówek, Nowosiółki, Popielżyn Dolny (Nowe Miasto municipality, płoński county, mazowieckie voivodeship). It covers 1195 buildings on 64 streets – the full list with house numbers is below.
Which streets have postal code 09-120?
Which localities have postal code 09-120?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Akacjowa 1 09-120 Nowe Miasto
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 address does postal code 09-120 cover?
Postal code 09-120 covers 35 localities: Nowe Miasto, Aleksandria, Gawłówek, Nowosiółki, Popielżyn Dolny, Żołędowo, Adamowo, Grabie, Tomaszewo, Anielin and more, including streets: Akacjowa, Apteczna, Biwakowa, Błonie, Browarna (płoński county, mazowieckie voivodeship).
Where is postal code 09-120?
In mazowieckie voivodeship, płoński county, Poland.
Is postal code 09-120 enough to send a parcel?
No – always write the postal code together with the town or post office name and the full address (street and building number, or the village name with the house number).
Which municipality and county does 09-120 belong to?
The 09-120 area (Nowe Miasto) lies in Nowe Miasto municipality (gmina), in płoński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.6689, 20.6265.
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

