| Place | Post Code |
|---|---|
| Indrahiya, Patna) | 802217 |
| Jagarnath Tola, Patna) | 802217 |
| Jagdaun Dih, Patna) | 821305 |
| Jai Nagara, Patna) | 802217 |
| Jaipur, Patna) | 821301 |
| Jajra, Patna) | 821113 |
| Jamhat, Patna) | 821113 |
| Janak Puri, Patna) | 821113 |
| Jawarh, Patna) | 821115 |
| Jigni, Patna) | 821113 |
| Kadjar, Patna) | 821113 |
| Kadwan, Patna) | 802217 |
| Kajhaon, Patna) | 821113 |
| Kalwariya, Patna) | 821113 |
| Kanchanpur, Patna) | 821305 |
| Karam Dihri, Patna) | 821115, 821113 |
| Karam Dihri Tola, Patna) | 821113 |
| Karaunia, Patna) | 821305 |
| Karma, Patna) | 821305 |
| Karpurwa, Patna) | 821115 |
| Karserua, Patna) | 821113 |
| Karup, Patna) | 821113 |
| Karup Indrahiyan, Patna) | 802217 |
| Karwandia, Patna) | 821305 |
| Karwania, Patna) | 821305 |
| Katdehri, Patna) | 821115, 821113 |
| Kaupa Dih, Patna) | 821115 |
| Kewtadhi, Patna) | 821113 |
| Khagadia Patti, Patna) | 821113 |
| Khaira, Patna) | 821113 |