Sielachowskie postal code
Village · białostocki county (powiat) · Wasilków municipality (gmina) · podlaskie voivodeship
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The postal code for Sielachowskie is 16-010.
Postal code – Sielachowskie
How to address a letter or parcel in Poland?
Jan Kowalski Sielachowskie 15 16-010 Sielachowskie
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 Sielachowskie, so the second line contains the locality name and property number (e.g. Sielachowskie 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 Sielachowskie if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Sielachowskie 15”. On the last line, write the postal code 16-010 and the locality or post office name.
What is the postal code for Sielachowskie?
The postal code for Sielachowskie is 16-010.
Which voivodeship and county is Sielachowskie in?
Sielachowskie (village) is in białostocki county (powiat), Wasilków municipality (gmina), podlaskie voivodeship.
Which localities are closest to Sielachowskie?
The closest localities to Sielachowskie are: Osowicze (1.4 km), Jurowce (2.4 km), Leńce (3.1 km), Sochonie (4 km), Wasilków (4.8 km), Podleńce (4.9 km). Distances are measured in a straight line between locality centres.
Localities near Sielachowskie (białostocki county)
Which county and municipality does Sielachowskie belong to?
Sielachowskie lies in Wasilków municipality (gmina), in białostocki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1803, 23.1406.
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