Klaski postal code
Village · pułtuski county (powiat) · Pokrzywnica municipality (gmina) · mazowieckie voivodeship
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The postal code for Klaski is 06-121.
Postal code – Klaski
How to address a letter or parcel in Poland?
Jan Kowalski Klaski 15 06-121 Klaski
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 Klaski, so the second line contains the locality name and property number (e.g. Klaski 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 Klaski if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Klaski 15”. On the last line, write the postal code 06-121 and the locality or post office name.
What is the postal code for Klaski?
The postal code for Klaski is 06-121.
Which voivodeship and county is Klaski in?
Klaski (village) is in pułtuski county (powiat), Pokrzywnica municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Klaski?
The closest localities to Klaski are: Mory (0.7 km), Dzbanice (0.8 km), Zaborze (1.3 km), Obrębek (1.9 km), Świeszewo (2 km), Obręb (2.1 km). Distances are measured in a straight line between locality centres.
Localities near Klaski (pułtuski county)
Which county and municipality does Klaski belong to?
Klaski lies in Pokrzywnica municipality (gmina), in pułtuski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.6110, 21.0668.
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

