Karolinowo postal code
Village · płoński county (powiat) · Nowe Miasto municipality (gmina) · mazowieckie voivodeship
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The postal code for Karolinowo is 09-120.
Postal code – Karolinowo
How to address a letter or parcel in Poland?
Jan Kowalski Karolinowo 15 09-120 Karolinowo
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 Karolinowo, so the second line contains the locality name and property number (e.g. Karolinowo 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 Karolinowo if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Karolinowo 15”. On the last line, write the postal code 09-120 and the locality or post office name.
What is the postal code for Karolinowo?
The postal code for Karolinowo is 09-120.
Which voivodeship and county is Karolinowo in?
Karolinowo (village) is in płoński county (powiat), Nowe Miasto municipality (gmina), mazowieckie voivodeship.
Are there other localities named Karolinowo?
Yes – 4 localities share this name, including in these voivodeships: mazowieckie, kujawsko-pomorskie. Each has its own postal code.
Which localities are closest to Karolinowo?
The closest localities to Karolinowo are: Gucin (1.5 km), Gościmin Wielki (2.2 km), Zasonie (2.3 km), Przepitki (2.5 km), Zawady B (2.6 km), Rzy (2.7 km). Distances are measured in a straight line between locality centres.
Localities near Karolinowo (płoński county)
Which county and municipality does Karolinowo belong to?
Karolinowo lies in Nowe Miasto municipality (gmina), in płoński county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.6927, 20.6051.
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

