Mostek postal code
Colony · białostocki county (powiat) · Wasilków municipality (gmina) · podlaskie voivodeship
- code
- 1
The postal code for Mostek is 16-010.
Postal code – Mostek
How to address a letter or parcel in Poland?
Jan Kowalski Mostek 15 16-010 Mostek
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 Mostek, so the second line contains the locality name and property number (e.g. Mostek 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 Mostek if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Mostek 15”. On the last line, write the postal code 16-010 and the locality or post office name.
What is the postal code for Mostek?
The postal code for Mostek is 16-010.
Which voivodeship and county is Mostek in?
Mostek (colony) is in białostocki county (powiat), Wasilków municipality (gmina), podlaskie voivodeship.
Are there other localities named Mostek?
Yes – 3 localities share this name, including in these voivodeships: małopolskie, warmińsko-mazurskie. Each has its own postal code.
Which localities are closest to Mostek?
The closest localities to Mostek are: Zaścianek (0.4 km), Rybniki (1.9 km), Wólka-Przedmieście (2 km), Wólka Poduchowna (2.6 km), Podratowiec (2.9 km), Katrynka (3 km). Distances are measured in a straight line between locality centres.
Localities near Mostek (białostocki county)
Which county and municipality does Mostek belong to?
Mostek lies in Wasilków municipality (gmina), in białostocki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.2574, 23.1630.
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