Ciechanów postal code
Town · ciechanowski county (powiat) · Ciechanów municipality (gmina) · mazowieckie voivodeship
- codes
- 5
- streets
- 316
Ciechanów has 5 postal codes: 06-400, 06-401, 06-409, 06-410, 06-413. The correct code depends on the street. The directory covers 316 streets.
All postal codes (5) – Ciechanów
Streets A–Z (316)
Streets with the most postal codes – Ciechanów
On long streets, the code depends on the building number. The streets with the most codes in Ciechanów are: ul. Armii Krajowej (2 codes), ul. Batalionów Chłopskich (2 codes), ul. Błękitna (2 codes). Click a street to find the code for a specific building number.
How to address a letter or parcel in Poland?
Jan Kowalski ul. Senator Janiny Fetlińskiej 1 06-400 Ciechanów
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 Ciechanów have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Ciechanów has 5 postal codes – find the right one in the street directory.
What is the postal code for Ciechanów?
Ciechanów has 5 postal codes: 06-400, 06-401, 06-409, 06-410, 06-413. The correct code depends on the street.
Which voivodeship and county is Ciechanów in?
Ciechanów (town) is in ciechanowski county (powiat), Ciechanów municipality (gmina), mazowieckie voivodeship.
Are there other localities named Ciechanów?
Yes – 2 localities share this name, including in these voivodeships: dolnośląskie. Each has its own postal code.
Which localities are closest to Ciechanów?
The closest localities to Ciechanów are: Kargoszyn (2.5 km), Chrzanówek (3.1 km), Pęchcin (3.3 km), Niechodzin (3.6 km), Przążewo (3.7 km), Chruszczewo (3.7 km). Distances are measured in a straight line between locality centres.
Localities near Ciechanów (ciechanowski county)
Which county and municipality does Ciechanów belong to?
Ciechanów lies in Ciechanów municipality (gmina), in ciechanowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.8766, 20.6110.
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