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Stare Kupiski postal code

Village · łomżyński county (powiat) · Łomża municipality (gmina) · podlaskie voivodeship

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Stare Kupiski:
code
1
streets
50

The postal code for Stare Kupiski is 18-400. The code covers 50 streets.

Postal code – Stare Kupiski

Streets A–Z (50)

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Akacjowa 1
18-400 Stare Kupiski

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 is the postal code for Stare Kupiski?

The postal code for Stare Kupiski is 18-400.

Which voivodeship and county is Stare Kupiski in?

Stare Kupiski (village) is in łomżyński county (powiat), Łomża municipality (gmina), podlaskie voivodeship.

Which localities are closest to Stare Kupiski?

The closest localities to Stare Kupiski are: Janowo (2.2 km), Bożenica (2.4 km), Nowe Kupiski (2.4 km), Stare Sierzputy (2.6 km), Sierzputy Młode (2.6 km), Jarnuty (3.1 km). Distances are measured in a straight line between locality centres.

Localities near Stare Kupiski (łomżyński county)

Which county and municipality does Stare Kupiski belong to?

Stare Kupiski lies in Łomża municipality (gmina), in łomżyński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1847, 22.0044.

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