| Ort | Postleitzahl |
|---|---|
| Banjar, Kertek | 56371 |
| Bejiarum, Kertek | 56371 |
| Bojasari, Kertek | 56371 |
| Candimulyo, Kertek | 56371 |
| Candiyasan, Kertek | 56371 |
| Damarkasian, Kertek | 56371 |
| Kapencar, Kertek | 56371 |
| Karangluhur, Kertek | 56371 |
| Kertek, Kertek | 56371 |
| Ngadikusuman, Kertek | 56371 |
| Pagerejo, Kertek | 56371 |
| Purbosono, Kertek | 56371 |
| Purwojati, Kertek | 56371 |
| Reco, Kertek | 56371 |
| Sindupaten, Kertek | 56371 |
| Sudungdewo, Kertek | 56371 |
| Sumberdalem, Kertek | 56371 |
| Surengede, Kertek | 56371 |
| Tlogodalem, Kertek | 56371 |
| Tlogomulyo, Kertek | 56371 |
| Wringinanom, Kertek | 56371 |