| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Annopol, Kock | 21-150 |
| Postal/ZIP Codes in Annówka, Kock | 21-150 |
| Postal/ZIP Codes in Białobrzegi, Kock | 21-150 |
| Postal/ZIP Codes in Białobrzegi-Kolonia, Kock | 21-150 |
| Postal/ZIP Codes in Bożniewice, Kock | 21-150 |
| Postal/ZIP Codes in Górka, Kock | 21-150 |
| Postal/ZIP Codes in Kock, Kock | 21-150 |
| Postal/ZIP Codes in Lipniak, Kock | 21-150 |
| Postal/ZIP Codes in Poizdów, Kock | 21-150 |
| Postal/ZIP Codes in Poizdów-Kolonia, Kock | 21-150 |
| Postal/ZIP Codes in Ruska Wieś, Kock | 21-150 |
| Postal/ZIP Codes in Talczyn, Kock | 21-150 |
| Postal/ZIP Codes in Talczyn-Kolonia, Kock | 21-150 |
| Postal/ZIP Codes in Wygnanka, Kock | 21-150 |
| Postal/ZIP Codes in Zakalew, Kock | 21-150 |