Mostki postal code
Village · niżański county (powiat) · Jarocin municipality (gmina) · podkarpackie voivodeship
- code
- 1
The postal code for Mostki is 37-405.
Postal code – Mostki
How to address a letter or parcel in Poland?
Jan Kowalski Mostki 15 37-405 Mostki
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 Mostki, so the second line contains the locality name and property number (e.g. Mostki 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 Mostki if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Mostki 15”. On the last line, write the postal code 37-405 and the locality or post office name.
What is the postal code for Mostki?
The postal code for Mostki is 37-405.
Which voivodeship and county is Mostki in?
Mostki (village) is in niżański county (powiat), Jarocin municipality (gmina), podkarpackie voivodeship.
Are there other localities named Mostki?
Yes – 11 localities share this name, including in these voivodeships: łódzkie, lubuskie, kujawsko-pomorskie, małopolskie, świętokrzyskie, wielkopolskie, opolskie, mazowieckie. Each has its own postal code.
Which localities are closest to Mostki?
The closest localities to Mostki are: Majdan Golczański (2.6 km), Momoty Dolne (3.3 km), Momoty Górne (3.6 km), Maziarnia-Pęk (4.3 km), Golce (4.5 km), Jarocin (4.6 km). Distances are measured in a straight line between locality centres.
Localities near Mostki (niżański county)
Which county and municipality does Mostki belong to?
Mostki lies in Jarocin municipality (gmina), in niżański county (powiat), podkarpackie voivodeship, Poland. Centre of the area based on address points: 50.5820, 22.3762.
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

