Postal code
ul. Mieczysława Karłowicza, Olsztyn
Olsztyn, Olsztyn municipality (gmina), Olsztyn county (powiat), warmińsko-mazurskie voivodeship
The postal code for ul. Mieczysława Karłowicza in Olsztyn is 10-276. Below you will find a map of the area, the post office and streets with the same code. This street has 18 buildings with a listed postal code. The locality is in Olsztyn county (powiat), warmińsko-mazurskie voivodeship.
| Code | Building numbers |
|---|---|
| 1–4, 5/7, 6, 8–10, 12–19, 21 |
How to address a letter or parcel in Poland?
Jan Kowalski ul. Mieczysława Karłowicza 1 10-276 Olsztyn
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 ul. Mieczysława Karłowicza, Olsztyn?
The postal code for ul. Mieczysława Karłowicza (Olsztyn) is 10-276.
What determines the postal code for ul. Mieczysława Karłowicza?
ul. Mieczysława Karłowicza (Olsztyn) has one postal code (10-276), so the building number does not affect the code.
Which post office serves this address?
The main post office in this locality is UP Olsztyn 1, ul. Pieniężnego 21. Mail may also be delivered by another, closer branch — check the post office map.
Where else can you find ul. Mieczysława Karłowicza?
Which postal codes are near 10-276?
Where is ul. Mieczysława Karłowicza, Olsztyn?
ul. Mieczysława Karłowicza, Olsztyn, lies in Olsztyn municipality (gmina), in Olsztyn county (powiat), warmińsko-mazurskie voivodeship, Poland. Centre of the area based on address points: 53.7889, 20.4928.
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