Kosmy-Pruszki postal code
Village · ciechanowski county (powiat) · Sońsk municipality (gmina) · mazowieckie voivodeship
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The postal code for Kosmy-Pruszki is 06-440.
Postal code – Kosmy-Pruszki
How to address a letter or parcel in Poland?
Jan Kowalski Kosmy-Pruszki 15 06-440 Kosmy-Pruszki
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 Kosmy-Pruszki, so the second line contains the locality name and property number (e.g. Kosmy-Pruszki 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 Kosmy-Pruszki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Kosmy-Pruszki 15”. On the last line, write the postal code 06-440 and the locality or post office name.
What is the postal code for Kosmy-Pruszki?
The postal code for Kosmy-Pruszki is 06-440.
Which voivodeship and county is Kosmy-Pruszki in?
Kosmy-Pruszki (village) is in ciechanowski county (powiat), Sońsk municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Kosmy-Pruszki?
The closest localities to Kosmy-Pruszki are: Bądkowo (2 km), Chrościce (2.1 km), Komory Błotne (2.2 km), Skrobocin (2.6 km), Łopacin (2.6 km), Gutków (2.9 km). Distances are measured in a straight line between locality centres.
Localities near Kosmy-Pruszki (ciechanowski county)
Which county and municipality does Kosmy-Pruszki belong to?
Kosmy-Pruszki lies in Sońsk municipality (gmina), in ciechanowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.7586, 20.6565.
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