| Place | Post Code |
|---|---|
| Annopol, Kock | 21-150 |
| Annówka, Kock | 21-150 |
| Białobrzegi, Kock | 21-150 |
| Białobrzegi-Kolonia, Kock | 21-150 |
| Bożniewice, Kock | 21-150 |
| Górka, Kock | 21-150 |
| Kock, Kock | 21-150 |
| Lipniak, Kock | 21-150 |
| Poizdów, Kock | 21-150 |
| Poizdów-Kolonia, Kock | 21-150 |
| Ruska Wieś, Kock | 21-150 |
| Talczyn, Kock | 21-150 |
| Talczyn-Kolonia, Kock | 21-150 |
| Wygnanka, Kock | 21-150 |
| Zakalew, Kock | 21-150 |