Karolin postal code
Village · białobrzeski county (powiat) · Promna municipality (gmina) · mazowieckie voivodeship
- codes
- 2
Karolin has 2 postal codes: 05-610, 26-803. The correct code depends on the street.
All postal codes (2) – Karolin
How to address a letter or parcel in Poland?
Jan Kowalski Karolin 15 05-610 Karolin
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 Karolin, so the second line contains the locality name and property number (e.g. Karolin 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 Karolin if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Karolin 15”. On the last line, write the postal code 05-610 and the locality or post office name.
Why does Karolin have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Karolin has 2 postal codes – find the right one in the street directory.
What is the postal code for Karolin?
Karolin has 2 postal codes: 05-610, 26-803. The correct code depends on the street.
Which voivodeship and county is Karolin in?
Karolin (village) is in białobrzeski county (powiat), Promna municipality (gmina), mazowieckie voivodeship.
Are there other localities named Karolin?
Yes – 8 localities share this name, including in these voivodeships: kujawsko-pomorskie, mazowieckie, lubelskie, podlaskie, dolnośląskie. Each has its own postal code.
Which localities are closest to Karolin?
The closest localities to Karolin are: Pelinów (1.1 km), Daltrozów (1.1 km), Olkowice (1.2 km), Olszamy (1.4 km), Domaniewice (2 km), Zbrosza Mała (2.3 km). Distances are measured in a straight line between locality centres.
Localities near Karolin (białobrzeski county)
Which county and municipality does Karolin belong to?
Karolin lies in Promna municipality (gmina), in białobrzeski county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 51.7379, 20.9499.
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

