Czarnia postal code
Village · ostrołęcki county (powiat) · Czarnia municipality (gmina) · mazowieckie voivodeship
- codes
- 2
- streets
- 2
Czarnia has 2 postal codes: 07-430, 07-431. The correct code depends on the street. The directory covers 2 streets.07-431 – 2 streets: Sportowa, Wiśniowa
All postal codes (2) – Czarnia
Streets A–Z (2)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Sportowa 1 07-431 Czarnia
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
Why does Czarnia have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Czarnia has 2 postal codes – find the right one in the street directory.
What is the postal code for Czarnia?
Czarnia has 2 postal codes: 07-430, 07-431. The correct code depends on the street.
Which voivodeship and county is Czarnia in?
Czarnia (village) is in ostrołęcki county (powiat), Czarnia municipality (gmina), mazowieckie voivodeship.
Are there other localities named Czarnia?
Yes – 2 localities share this name, including in these voivodeships: mazowieckie. Each has its own postal code.
Which localities are closest to Czarnia?
The closest localities to Czarnia are: Rutkowo (2.4 km), Brzozowy Kąt (3.1 km), Cyk (3.3 km), Surowe (4.5 km), Lesiny Wielkie (5.4 km), Bandysie (5.4 km). Distances are measured in a straight line between locality centres.
Localities near Czarnia (ostrołęcki county)
Which county and municipality does Czarnia belong to?
Czarnia lies in Czarnia municipality (gmina), in ostrołęcki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 53.3552, 21.1954.
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