Postal code
ul. Igora Sikiryckiego, Olsztyn
Olsztyn, Olsztyn municipality (gmina), Olsztyn county (powiat), warmińsko-mazurskie voivodeship
ul. Igora Sikiryckiego in Olsztyn has 2 postal codes: 10-691, 10-696. The correct code depends on the building number — check the table below. This street has 13 buildings with a listed postal code; 10 other streets in this locality also use 10-691. The locality is in Olsztyn county (powiat), warmińsko-mazurskie voivodeship.
| Code | Building numbers |
|---|---|
| 12 | |
| 1–6, 7A, 7B, 8–11 |
How to address a letter or parcel in Poland?
Jan Kowalski ul. Igora Sikiryckiego 12 10-691 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. The postal code on this street depends on the building number. Before posting, make sure it matches the number in the table.
Frequently asked questions
What is the postal code for ul. Igora Sikiryckiego, Olsztyn?
ul. Igora Sikiryckiego (Olsztyn) has 2 postal codes: 10-691, 10-696.
What determines the postal code for ul. Igora Sikiryckiego?
On longer streets, Polish Post assigns different postal codes to ranges of building numbers, often separately for even and odd numbers. The code for ul. Igora Sikiryckiego therefore depends on the building number — see the ranges in the table above.
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.
Which other streets use postal code 10-691?
Where else can you find ul. Igora Sikiryckiego?
All localities with ul. Igora Sikiryckiego →Which postal codes are near 10-691?
Where is ul. Igora Sikiryckiego, Olsztyn?
ul. Igora Sikiryckiego, Olsztyn, lies in Olsztyn municipality (gmina), in Olsztyn county (powiat), warmińsko-mazurskie voivodeship, Poland. Centre of the area based on address points: 53.7379, 20.5130.
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

