| Place | Post Code |
|---|---|
| Jiwapur, Patna) | 802128 |
| Jogapur, Patna) | 802122 |
| Kailakh, Patna) | 802117 |
| Kaithahar Kalan, Patna) | 802128 |
| Kaithahar Khurd, Patna) | 802128 |
| Kajariya, Patna) | 802122 |
| Kakaria, Patna) | 802128 |
| Kalupur, Patna) | 802114 |
| Kanehari, Patna) | 802128 |
| Kanhupur, Patna) | 802128 |
| Kanpura, Patna) | 802123 |
| Karaila, Patna) | 802117 |
| Karanpur, Patna) | 802116 |
| Karma, Patna) | 802117 |
| Kataria, Patna) | 802117 |
| Kathaja, Patna) | 802122 |
| Katharai, Patna) | 802128 |
| Kathrai, Patna) | 802117 |
| Khadar, Patna) | 802117 |
| Khanpur, Patna) | 802128 |
| Khanpur Mafi, Patna) | 802128 |
| Kharaunia, Patna) | 802117 |
| Kharhana, Patna) | 802128 |
| Kharika, Patna) | 802128 |
| Khempur, Patna) | 802128 |
| Khilla, Patna) | 802122 |
| Khiri, Patna) | 802128 |
| Khochrihan, Patna) | 802128 |
| Khoraitha, Patna) | 802117 |
| Kishunipur, Patna) | 802128, 802122 |