List of All Postal Codes in Kościan County | ||
|---|---|---|
| Postal Code Code | Postal Code Name | Voivodeship |
| 64-000 | Kościan | Greater Poland Voivodeship |
| 64-005 | Kościan | Greater Poland Voivodeship |
| 64-010 | Krzywiń | Greater Poland Voivodeship |
| 64-020 | Czempiń | Greater Poland Voivodeship |
| 64-030 | Śmigiel | Greater Poland Voivodeship |