| Place | Post Code |
|---|---|
| Kalyansahi, Central) | 757105 |
| Kamardiha, Central) | 757105 |
| Kamarpal, Central) | 757030 |
| Kamta, Central) | 757030 |
| Kanchipal, Central) | 757030 |
| Kanhupur, Central) | 757105 |
| Kaniabuda, Central) | 757030 |
| Kanialoka, Central) | 757030 |
| Kanjia, Central) | 757030 |
| Kankadasole, Central) | 757030 |
| Kanyaloka, Central) | 757030 |
| Karkachia, Central) | 757030 |
| Kashidihi, Central) | 757030 |
| Kathpal, Central) | 757030 |
| Kathrama, Central) | 757030 |
| Kathruma, Central) | 757030 |
| Kathsirsi, Central) | 757030 |
| Kendudiha, Central) | 757105 |
| Khadibani, Central) | 757105 |
| Khairbani, Central) | 757020, 757081, 757030 |
| Khalapada, Central) | 757105 |
| Khandia, Central) | 757105 |
| Khukundia, Central) | 757030 |
| Khuntapal, Central) | 757105 |
| Kisandahi, Central) | 757049 |
| Kitadihi, Central) | 757049 |
| Koilisuta, Central) | 757030 |
| Koliana, Central) | 757030 |
| Kothabilla, Central) | 757081 |
| Kuabasa, Central) | 757030 |