The postal code of Olsztyn which is listed in our database is 10-377. Our records often include geographical coordinates of Olsztyn and it's corresponding postal code. In the result box below, you can find the postal code of Olsztyn and it's location on the map if we have the location information available. Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results. All kinds of additional information we have on Olsztyn may also be present such as geographical data, historical records or news about Olsztyn and 10-377 in general.