Janówek Pierwszy postal code
Village · legionowski county (powiat) · Wieliszew municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 13
The postal code for Janówek Pierwszy is 05-124. The code covers 13 streets.
Postal code – Janówek Pierwszy
Streets A–Z (13)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Bastionowa 1 05-124 Janówek Pierwszy
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 Janówek Pierwszy?
The postal code for Janówek Pierwszy is 05-124.
Which voivodeship and county is Janówek Pierwszy in?
Janówek Pierwszy (village) is in legionowski county (powiat), Wieliszew municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Janówek Pierwszy?
The closest localities to Janówek Pierwszy are: Góra (0.8 km), Janówek Drugi (1.4 km), Krubin (2.1 km), Trzciany (2.4 km), Boża Wola (2.7 km), Suchocin (3 km). Distances are measured in a straight line between locality centres.
Localities near Janówek Pierwszy (legionowski county)
Which county and municipality does Janówek Pierwszy belong to?
Janówek Pierwszy lies in Wieliszew municipality (gmina), in legionowski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.4356, 20.7870.
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