Sieńsko postal code
Village · jędrzejowski county (powiat) · Słupia municipality (gmina) · świętokrzyskie voivodeship
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The postal code for Sieńsko is 28-350.
Postal code – Sieńsko
How to address a letter or parcel in Poland?
Jan Kowalski Sieńsko 15 28-350 Sieńsko
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 Sieńsko, so the second line contains the locality name and property number (e.g. Sieńsko 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 Sieńsko if it has no named streets?
Instead of a street, write the locality name and house number, e.g. “Sieńsko 15”. On the last line, write the postal code 28-350 and the locality or post office name.
What is the postal code for Sieńsko?
The postal code for Sieńsko is 28-350.
Which voivodeship and county is Sieńsko in?
Sieńsko (village) is in jędrzejowski county (powiat), Słupia municipality (gmina), świętokrzyskie voivodeship.
Are there other localities named Sieńsko?
Yes – 2 localities share this name, including in these voivodeships: wielkopolskie. Each has its own postal code.
Localities near Sieńsko (jędrzejowski county)
Which county and municipality does Sieńsko belong to?
Sieńsko lies in Słupia municipality (gmina), in jędrzejowski county (powiat), świętokrzyskie voivodeship, Poland.
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