| Place | Post Code |
|---|---|
| Biskupice, Olsztyn | 42-256 |
| Bloki Kolejowe, Olsztyn | 42-263 |
| Bukowno, Olsztyn | 42-256 |
| Krasawa, Olsztyn | 42-256 |
| Kusięta, Olsztyn | 42-256 |
| Olsztyn, Olsztyn | 42-256 |
| Przymiłowice, Olsztyn | 42-256 |
| Skrajnica, Olsztyn | 42-256 |
| Turów, Olsztyn | 42-256 |
| Zrębice, Olsztyn | 42-256 |