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Postal code 31-423 – Kraków

Kraków, Kraków municipality, Kraków county, małopolskie voivodeship

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Code 31-423:
locality
1
streets
8
buildings
66

Postal code 31-423 is used in Kraków (Kraków municipality, Kraków county, małopolskie voivodeship). It covers 66 buildings on 8 streets – the full list with house numbers is below.

Postal code 31-423 areaOpen in OSM ↗
Post office
UP Kraków 1
ul. Westerplatte 20, 31-045 Kraków
Post office
Post offices in Kraków – show branches on the map →
Location
Kraków
Kraków municipality · Kraków county
małopolskie voivodeship

Which streets have postal code 31-423?

How to address a letter or parcel in Poland?

Jan Kowalski
ul. Józefa Łepkowskiego 1
31-423 Kraków

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 31-423 cover?

Postal code 31-423 covers Kraków, including streets: Józefa Łepkowskiego, Liliowa, Chlebowa, mjr. Ryszarda Nuszkiewicza, Na Barciach (Kraków county, małopolskie voivodeship).

Where is postal code 31-423?

In małopolskie voivodeship, Kraków county, Poland.

Is postal code 31-423 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 31-423?

Which municipality and county does 31-423 belong to?

The 31-423 area (Kraków) lies in Kraków municipality (gmina), in Kraków county (powiat), małopolskie voivodeship, Poland. Centre of the area based on address points: 50.0911, 19.9630.

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