Kostry-Śmiejki postal code
Village · wysokomazowiecki county (powiat) · Klukowo municipality (gmina) · podlaskie voivodeship
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The postal code for Kostry-Śmiejki is 18-214.
Postal code – Kostry-Śmiejki
How to address a letter or parcel in Poland?
Jan Kowalski Kostry-Śmiejki 15 18-214 Kostry-Śmiejki
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 Kostry-Śmiejki, so the second line contains the locality name and property number (e.g. Kostry-Śmiejki 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 Kostry-Śmiejki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Kostry-Śmiejki 15”. On the last line, write the postal code 18-214 and the locality or post office name.
What is the postal code for Kostry-Śmiejki?
The postal code for Kostry-Śmiejki is 18-214.
Which voivodeship and county is Kostry-Śmiejki in?
Kostry-Śmiejki (village) is in wysokomazowiecki county (powiat), Klukowo municipality (gmina), podlaskie voivodeship.
Which localities are closest to Kostry-Śmiejki?
The closest localities to Kostry-Śmiejki are: Lubowicz-Byzie (1 km), Stare Kostry (1.3 km), Piętki-Żebry (1.6 km), Piętki-Basie (1.7 km), Lubowicz-Kąty (1.8 km), Stare Zalesie (2.5 km). Distances are measured in a straight line between locality centres.
Localities near Kostry-Śmiejki (wysokomazowiecki county)
Which county and municipality does Kostry-Śmiejki belong to?
Kostry-Śmiejki lies in Klukowo municipality (gmina), in wysokomazowiecki county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 52.7685, 22.5678.
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

