Siedlce postal code
Town · Siedlce county (powiat) · Siedlce municipality (gmina) · mazowieckie voivodeship
- code
- 1
- streets
- 392
The postal code for Siedlce is 08-110. The code covers 392 streets.
Postal code – Siedlce
Streets A–Z (392)
How to address a letter or parcel in Poland?
Jan Kowalski ul. Sabiny Artych 1 08-110 Siedlce
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 Siedlce?
The postal code for Siedlce is 08-110.
Which voivodeship and county is Siedlce in?
Siedlce (town) is in Siedlce county (powiat), Siedlce municipality (gmina), mazowieckie voivodeship.
Are there other localities named Siedlce?
Yes – 6 localities share this name, including in these voivodeships: dolnośląskie, małopolskie, łódzkie, świętokrzyskie. Each has its own postal code.
Which localities are closest to Siedlce?
The closest localities to Siedlce are: Grabianów (2.7 km), Żabokliki (3.3 km), Stare Iganie (3.8 km), Topórek (3.9 km), Strzała (4 km), Białki (4.2 km). Distances are measured in a straight line between locality centres.
Which county and municipality does Siedlce belong to?
Siedlce lies in Siedlce municipality (gmina), in Siedlce county (powiat), mazowieckie voivodeship, Poland. Centre of the area based on address points: 52.1654, 22.2728.
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