Postal code 06-410 – Ciechanów
Ciechanów, Ciechanów municipality, ciechanowski county, mazowieckie voivodeship
- locality
- 1
- street
- 1
- building
- 1
Postal code 06-410 is used in Ciechanów (Ciechanów municipality, ciechanowski county, mazowieckie voivodeship). It covers 1 building on 1 street – the full list with house numbers is below.
Which streets have postal code 06-410?
How to address a letter or parcel in Poland?
Jan Kowalski ul. Henryka Sienkiewicza 1 06-410 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
What address does postal code 06-410 cover?
Postal code 06-410 covers Ciechanów, including streets: Henryka Sienkiewicza (ciechanowski county, mazowieckie voivodeship).
Where is postal code 06-410?
In mazowieckie voivodeship, ciechanowski county, Poland.
Is postal code 06-410 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 postal codes are next to 06-410?
Which municipality and county does 06-410 belong to?
The 06-410 area (Ciechanów) lies in Ciechanów municipality (gmina), in ciechanowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.8872, 20.5878.
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