Postal code 18-422 – Kalinowo
Kalinowo, Piątnica municipality, łomżyński county, podlaskie voivodeship
- locality
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Postal code 18-422 is used in Kalinowo (Piątnica municipality, łomżyński county, podlaskie voivodeship). It covers the whole locality, with no split by street.
How to address a letter or parcel in Poland?
Jan Kowalski Kalinowo 15 18-422 Kalinowo
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.
Frequently asked questions
What address does postal code 18-422 cover?
Postal code 18-422 covers Kalinowo (łomżyński county, podlaskie voivodeship).
Where is postal code 18-422?
In podlaskie voivodeship, łomżyński county, Poland.
Is postal code 18-422 enough to send a parcel?
No – always write the postal code together with the town or post office name and the full address (street and building number, or the village name with the house number).
Which postal codes are next to 18-422?
Which municipality and county does 18-422 belong to?
The 18-422 area (Kalinowo) lies in Piątnica municipality (gmina), in łomżyński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1732, 22.1333.
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