Bielsk postal code
Village · płocki county (powiat) · Bielsk municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 54
The postal code for Bielsk is 09-230. The code covers 54 streets.
Postal code – Bielsk
Streets A–Z (54)
How to address a letter or parcel in Poland?
Jan Kowalski ul. 1 Maja 1 09-230 Bielsk
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 Bielsk?
The postal code for Bielsk is 09-230.
Which voivodeship and county is Bielsk in?
Bielsk (village) is in płocki county (powiat), Bielsk municipality (gmina), mazowieckie voivodeship.
Are there other localities named Bielsk?
Yes – 3 localities share this name, including in these voivodeships: kujawsko-pomorskie, pomorskie. Each has its own postal code.
Which localities are closest to Bielsk?
The closest localities to Bielsk are: Zakrzewo (1.9 km), Cekanowo (2.4 km), Gilino (2.4 km), Bolechowice (2.5 km), Rudowo (2.7 km), Giżyno (2.8 km). Distances are measured in a straight line between locality centres.
Localities near Bielsk (płocki county)
Which county and municipality does Bielsk belong to?
Bielsk lies in Bielsk municipality (gmina), in płocki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.6722, 19.8058.
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