Sieniewice postal code
Village · siemiatycki county (powiat) · Drohiczyn municipality (gmina) · podlaskie voivodeship
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The postal code for Sieniewice is 17-312.
Postal code – Sieniewice
How to address a letter or parcel in Poland?
Jan Kowalski Sieniewice 15 17-312 Sieniewice
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 Sieniewice, so the second line contains the locality name and property number (e.g. Sieniewice 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 Sieniewice if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Sieniewice 15”. On the last line, write the postal code 17-312 and the locality or post office name.
What is the postal code for Sieniewice?
The postal code for Sieniewice is 17-312.
Which voivodeship and county is Sieniewice in?
Sieniewice (village) is in siemiatycki county (powiat), Drohiczyn municipality (gmina), podlaskie voivodeship.
Which localities are closest to Sieniewice?
The closest localities to Sieniewice are: Lisowo-Janówek (1.9 km), Kłyzówka (2.1 km), Koczery (2.3 km), Sady (2.6 km), Miłkowice-Maćki (3 km), Runice (3.8 km). Distances are measured in a straight line between locality centres.
Localities near Sieniewice (siemiatycki county)
Which county and municipality does Sieniewice belong to?
Sieniewice lies in Drohiczyn municipality (gmina), in siemiatycki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.4354, 22.6634.
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