Sielinko postal code
Settlement · nowotomyski county (powiat) · Opalenica municipality (gmina) · wielkopolskie voivodeship
- code
- 1
- streets
- 5
The postal code for Sielinko is 64-330. The code covers 5 streets.
Postal code – Sielinko
Streets A–Z (5)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Leśna 1 64-330 Sielinko
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 Sielinko?
The postal code for Sielinko is 64-330.
Which voivodeship and county is Sielinko in?
Sielinko (settlement) is in nowotomyski county (powiat), Opalenica municipality (gmina), wielkopolskie voivodeship.
Which localities are closest to Sielinko?
The closest localities to Sielinko are: Terespotockie (2.2 km), Opalenica (2.4 km), Troszczyn (2.4 km), Porażyn (2.7 km), Urbanowo (2.8 km), Łęczyce (3.4 km). Distances are measured in a straight line between locality centres.
Localities near Sielinko (nowotomyski county)
Which county and municipality does Sielinko belong to?
Sielinko lies in Opalenica municipality (gmina), in nowotomyski county (powiat), wielkopolskie voivodeship, Poland. Centre of the area based on address points: 52.2942, 16.3887.
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