Radziwiłłówka postal code
Village · siemiatycki county (powiat) · Mielnik municipality (gmina) · podlaskie voivodeship
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The postal code for Radziwiłłówka is 17-307.
Postal code – Radziwiłłówka
How to address a letter or parcel in Poland?
Jan Kowalski Radziwiłłówka 15 17-307 Radziwiłłówka
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 Radziwiłłówka, so the second line contains the locality name and property number (e.g. Radziwiłłówka 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 Radziwiłłówka if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Radziwiłłówka 15”. On the last line, write the postal code 17-307 and the locality or post office name.
What is the postal code for Radziwiłłówka?
The postal code for Radziwiłłówka is 17-307.
Which voivodeship and county is Radziwiłłówka in?
Radziwiłłówka (village) is in siemiatycki county (powiat), Mielnik municipality (gmina), podlaskie voivodeship.
Which localities are closest to Radziwiłłówka?
The closest localities to Radziwiłłówka are: Grabowiec (3.1 km), Końskie Góry (3.1 km), Moszczona Królewska (3.2 km), Osłowo (4.2 km), Mielnik (4.9 km), Grabarka-Klasztor (5.3 km). Distances are measured in a straight line between locality centres.
Localities near Radziwiłłówka (siemiatycki county)
Which county and municipality does Radziwiłłówka belong to?
Radziwiłłówka lies in Mielnik municipality (gmina), in siemiatycki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.3736, 23.0390.
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