Sienno postal code
Village · wągrowiecki county (powiat) · Wągrowiec municipality (gmina) · wielkopolskie voivodeship
- code
- 1
- streets
- 2
The postal code for Sienno is 62-100. The code covers 2 streets.
Postal code – Sienno
Streets A–Z (2)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Oskara Kolberga 1 62-100 Sienno
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.
Frequently asked questions
What is the postal code for Sienno?
The postal code for Sienno is 62-100.
Which voivodeship and county is Sienno in?
Sienno (village) is in wągrowiecki county (powiat), Wągrowiec municipality (gmina), wielkopolskie voivodeship.
Are there other localities named Sienno?
Yes – 6 localities share this name, including in these voivodeships: mazowieckie, kujawsko-pomorskie, wielkopolskie, lubuskie, zachodniopomorskie. Each has its own postal code.
Which localities are closest to Sienno?
The closest localities to Sienno are: Sieńsko (1.1 km), Długa Wieś (1.6 km), Ochodza (1.8 km), Przysieczyn (2.4 km), Czekanowo (2.5 km), Jankowo (2.9 km). Distances are measured in a straight line between locality centres.
Localities near Sienno (wągrowiecki county)
Which county and municipality does Sienno belong to?
Sienno lies in Wągrowiec municipality (gmina), in wągrowiecki county (powiat), wielkopolskie voivodeship, Poland. Centre of the area based on address points: 52.7647, 17.2062.
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

