Kostrogaj postal code
Village · płocki county (powiat) · Radzanowo municipality (gmina) · mazowieckie voivodeship
- codes
- 2
Kostrogaj has 2 postal codes: 09-402, 09-410. The correct code depends on the street.
All postal codes (2) – Kostrogaj
How to address a letter or parcel in Poland?
Jan Kowalski Kostrogaj 15 09-402 Kostrogaj
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. There are no named streets in Kostrogaj, so the second line contains the locality name and property number (e.g. Kostrogaj 15). If the serving post office is in another locality, its name can appear next to the code on the last line.
Frequently asked questions
How do I address a letter to Kostrogaj if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Kostrogaj 15”. On the last line, write the postal code 09-402 and the locality or post office name.
Why does Kostrogaj have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Kostrogaj has 2 postal codes – find the right one in the street directory.
What is the postal code for Kostrogaj?
Kostrogaj has 2 postal codes: 09-402, 09-410. The correct code depends on the street.
Which voivodeship and county is Kostrogaj in?
Kostrogaj (village) is in płocki county (powiat), Radzanowo municipality (gmina), mazowieckie voivodeship.
Which localities are closest to Kostrogaj?
The closest localities to Kostrogaj are: Nowe Boryszewo (1.8 km), Stróżewko (2.5 km), Stare Boryszewo (2.6 km), Brochocin (2.9 km), Nowe Trzepowo (3 km), Płock (3.7 km). Distances are measured in a straight line between locality centres.
Localities near Kostrogaj (płocki county)
Which county and municipality does Kostrogaj belong to?
Kostrogaj lies in Radzanowo municipality (gmina), in płocki county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.5648, 19.7370.
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