Radziszewo-Sieńczuch postal code
Village · wysokomazowiecki county (powiat) · Ciechanowiec municipality (gmina) · podlaskie voivodeship
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The postal code for Radziszewo-Sieńczuch is 18-230.
Postal code – Radziszewo-Sieńczuch
How to address a letter or parcel in Poland?
Jan Kowalski Radziszewo-Sieńczuch 15 18-230 Radziszewo-Sieńczuch
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 Radziszewo-Sieńczuch, so the second line contains the locality name and property number (e.g. Radziszewo-Sieńczuch 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 Radziszewo-Sieńczuch if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Radziszewo-Sieńczuch 15”. On the last line, write the postal code 18-230 and the locality or post office name.
What is the postal code for Radziszewo-Sieńczuch?
The postal code for Radziszewo-Sieńczuch is 18-230.
Which voivodeship and county is Radziszewo-Sieńczuch in?
Radziszewo-Sieńczuch (village) is in wysokomazowiecki county (powiat), Ciechanowiec municipality (gmina), podlaskie voivodeship.
Which localities are closest to Radziszewo-Sieńczuch?
The closest localities to Radziszewo-Sieńczuch are: Łempice (2.1 km), Czaje-Wólka (2.1 km), Kobusy (2.5 km), Czaje (2.8 km), Radziszewo Stare (2.9 km), Radziszewo-Sobiechowo (3.1 km). Distances are measured in a straight line between locality centres.
Localities near Radziszewo-Sieńczuch (wysokomazowiecki county)
Which county and municipality does Radziszewo-Sieńczuch belong to?
Radziszewo-Sieńczuch lies in Ciechanowiec municipality (gmina), in wysokomazowiecki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.6709, 22.6691.
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