Białystok postal code
Town · Białystok county (powiat) · Białystok municipality (gmina) · podlaskie voivodeship
- codes
- 610
- streets
- 1,125
Białystok has 610 postal codes: 05-126, 15-001, 15-002, 15-003, 15-004… The correct code depends on the street. The directory covers 1125 streets.
All postal codes (610) – Białystok
Showing 240 of 610 codes – find the rest in the street directory below.
Streets A–Z (1125)
Streets with the most postal codes – Białystok
On long streets, the code depends on the building number. The streets with the most codes in Białystok are: M. Curie-Skłodowskiej (7 codes), ul. Ogrodniczki (7 codes), ul. Adama Mickiewicza (6 codes). Click a street to find the code for a specific building number.
How to address a letter or parcel in Poland?
Jan Kowalski ul. Żabia 1 15-448 Białystok
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
Why does Białystok have several postal codes?
In larger localities, postal codes are assigned to streets and, on long streets, to building number ranges. Białystok has 610 postal codes – find the right one in the street directory.
What is the postal code for Białystok?
Białystok has 610 postal codes: 05-126, 15-001, 15-002, 15-003, 15-004… The correct code depends on the street.
Which voivodeship and county is Białystok in?
Białystok (town) is in Białystok county (powiat), Białystok municipality (gmina), podlaskie voivodeship.
Are there other localities named Białystok?
Yes – 2 localities share this name, including in these voivodeships: lubelskie. Each has its own postal code.
Which localities are closest to Białystok?
The closest localities to Białystok are: Zaścianki (4.6 km), Izabelin (4.9 km), Kleosin (5.4 km), Sowlany (5.4 km), Olmonty (5.6 km), Sielachowskie (5.6 km). Distances are measured in a straight line between locality centres.
Which county and municipality does Białystok belong to?
Białystok lies in Białystok municipality (gmina), in Białystok county (powiat), podlaskie voivodeship, Poland. Centre of the area based on address points: 53.1325, 23.1688.
Main post office – Białystok
UP Białystok 1, ul. Warszawska 10, 15-001 Białystok
The main post office is the Poczta Polska branch responsible for delivering mail in Białystok and the surrounding area. Letters and parcels pass through it before delivery, and in smaller towns undelivered items are collected there. Note: the office's postal code (15-001) belongs to the branch, not to recipients – find the right code for a specific street or building number in the list above.
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

