Nowosiedliny postal code
Village · łomżyński county (powiat) · Miastkowo municipality (gmina) · podlaskie voivodeship
- code
- 1
- streets
- 4
The postal code for Nowosiedliny is 18-413. The code covers 4 streets.
Postal code – Nowosiedliny
Streets A–Z (4)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Długa 1 18-413 Nowosiedliny
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 Nowosiedliny?
The postal code for Nowosiedliny is 18-413.
Which voivodeship and county is Nowosiedliny in?
Nowosiedliny (village) is in łomżyński county (powiat), Miastkowo municipality (gmina), podlaskie voivodeship.
Which localities are closest to Nowosiedliny?
The closest localities to Nowosiedliny are: Rydzewo (1.9 km), Osetno (2.7 km), Drogoszewo (2.9 km), Rydzewo-Gozdy (3.4 km), Kurpiewskie (3.5 km), Laskowiec (3.6 km). Distances are measured in a straight line between locality centres.
Localities near Nowosiedliny (łomżyński county)
Which county and municipality does Nowosiedliny belong to?
Nowosiedliny lies in Miastkowo municipality (gmina), in łomżyński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1446, 21.7084.
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