Postal code 17-300 – Siemiatycze
Siemiatycze, Siemiatycze municipality, siemiatycki county, podlaskie voivodeship
- localities
- 47
- streets
- 132
- buildings
- 3,653
Postal code 17-300 is used in 47 localities, including Siemiatycze, Czartajew, Siemiatycze-Stacja, Anusin, Baciki Bliższe (Siemiatycze municipality, siemiatycki county, podlaskie voivodeship). It covers 3653 buildings on 132 streets – the full list with house numbers is below.
Which streets have postal code 17-300?
Which localities have postal code 17-300?
How to address a letter or parcel in Poland?
Jan Kowalski ul. 11 Listopada 1 17-300 Siemiatycze
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 17-300 cover?
Postal code 17-300 covers 47 localities: Siemiatycze, Czartajew, Siemiatycze-Stacja, Anusin, Baciki Bliższe, Baciki Dalsze, Baciki Średnie, Boratyniec Lacki, Boratyniec Ruski, Cecele and more, including streets: 11 Listopada, 3-go Maja, Adama Asnyka, Adama Mickiewicza, Akacjowa (siemiatycki county, podlaskie voivodeship).
Where is postal code 17-300?
In podlaskie voivodeship, siemiatycki county, Poland.
Is postal code 17-300 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 municipality and county does 17-300 belong to?
The 17-300 area (Siemiatycze) lies in Siemiatycze municipality (gmina), in siemiatycki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.4143, 22.8693.
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

