Janki postal code
Village · gostyniński county (powiat) · Szczawin Kościelny municipality (gmina) · mazowieckie voivodeship
- code
- 1
The postal code for Janki is 09-550.
Postal code – Janki
How to address a letter or parcel in Poland?
Jan Kowalski Janki 15 09-550 Janki
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. There are no named streets in Janki, so the second line contains the locality name and property number (e.g. Janki 15). If the serving post office is in another locality, its name can appear next to the code on the last line.
Frequently asked questions
How do I address a letter to Janki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Janki 15”. On the last line, write the postal code 09-550 and the locality or post office name.
What is the postal code for Janki?
The postal code for Janki is 09-550.
Which voivodeship and county is Janki in?
Janki (village) is in gostyniński county (powiat), Szczawin Kościelny municipality (gmina), mazowieckie voivodeship.
Are there other localities named Janki?
Yes – 10 localities share this name, including in these voivodeships: mazowieckie, łódzkie, lubelskie, podlaskie, warmińsko-mazurskie. Each has its own postal code.
Which localities are closest to Janki?
The closest localities to Janki are: Słup (1.1 km), Łuszczanów Drugi (1.1 km), Gołas (1.4 km), Przylaski (1.7 km), Adamów (1.9 km), Łuszczanówek (2.2 km). Distances are measured in a straight line between locality centres.
Localities near Janki (gostyniński county)
Which county and municipality does Janki belong to?
Janki lies in Szczawin Kościelny municipality (gmina), in gostyniński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.3326, 19.6637.
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