| Postal Code | 75-642 |
| Postal Code Name | Koszalin |
| Voivodeship | West Pomeranian Voivodeship |
| County | Koszalin |
| Timezone | Central European Time (CET) |
| Adjacent Postal Codes | 75-136 75-438 75-581 75-583 75-584 75-585 75-643 75-644 75-645 75-646 75-647 75-648 75-654 75-688 75-690 75-691 75-692 75-693 75-694 75-695 75-696 75-697 75-698 75-699 |