Kolonia postal code
Colony · sejneński county (powiat) · Sejny municipality (gmina) · podlaskie voivodeship
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The postal code for Kolonia is 16-500.
Postal code – Kolonia
How to address a letter or parcel in Poland?
Jan Kowalski Kolonia 15 16-500 Kolonia
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 Kolonia, so the second line contains the locality name and property number (e.g. Kolonia 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 Kolonia if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Kolonia 15”. On the last line, write the postal code 16-500 and the locality or post office name.
What is the postal code for Kolonia?
The postal code for Kolonia is 16-500.
Which voivodeship and county is Kolonia in?
Kolonia (colony) is in sejneński county (powiat), Sejny municipality (gmina), podlaskie voivodeship.
Are there other localities named Kolonia?
Yes – 5 localities share this name, including in these voivodeships: małopolskie, pomorskie, lubelskie, warmińsko-mazurskie. Each has its own postal code.
Localities near Kolonia (sejneński county)
Which county and municipality does Kolonia belong to?
Kolonia lies in Sejny municipality (gmina), in sejneński county (powiat), podlaskie voivodeship, Poland.
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