BazaKodow.pl – postal codes in Poland

Postal code

ul. Piękna, Stara Łomża przy Szosie

Stara Łomża przy Szosie, Łomża municipality (gmina), łomżyński county (powiat), podlaskie voivodeship

The postal code for ul. Piękna in Stara Łomża przy Szosie is 18-400. Below you will find a map of the area, the post office and streets with the same code. This street has 3 buildings with a listed postal code; 29 other streets in this locality also use 18-400. The locality is in łomżyński county (powiat), podlaskie voivodeship.

Which postal code applies to each building number on ul. Piękna?
CodeBuilding numbers
2C, 3, 4A
ul. Piękna, Stara Łomża przy SzosieOpen in OSM ↗

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Piękna 2C
18-400 Stara Łomża przy Szosie

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 ul. Piękna, Stara Łomża przy Szosie?

The postal code for ul. Piękna (Stara Łomża przy Szosie) is 18-400.

What determines the postal code for ul. Piękna?

ul. Piękna (Stara Łomża przy Szosie) has one postal code (18-400), so the building number does not affect the code.

Which other streets use postal code 18-400?

Where else can you find ul. Piękna?

All localities with ul. Piękna →

Where is ul. Piękna, Stara Łomża przy Szosie?

ul. Piękna, Stara Łomża przy Szosie, lies in Łomża municipality (gmina), in łomżyński county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1593, 22.1094.

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