| Postal Code | 10-806 |
| Postal Code Name | Olsztyn |
| Voivodeship | Warmian-Masurian Voivodeship |
| County | Olsztyn |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 10-801 10-807 10-808 10-809 10-810 10-811 10-812 10-813 10-814 10-815 10-816 10-817 10-818 10-819 10-820 10-822 10-823 10-828 10-829 10-830 10-831 10-833 10-861 |