| Post office | Karjan B.O |
| Pin code | 803211 |
| Office type | B.O |
| Taluk / city | Asthawan |
| District name | Patna |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Nalanda |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Athmalgola S.O |
| Related head office | Biharsharif H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 803211 | Karjan B.O | Asthawan | Patna | Bihar |
| 803211 | Athmalgola S.O | Athmalgola | Patna | Bihar |
| 803211 | Bhuapur B.O | Athmalgola | Patna | Bihar |
| 803211 | Chaksawar B.O | Athmalgola | Patna | Bihar |
| 803211 | Dakshnichak B.O | Athmalgola | Patna | Bihar |
| 803211 | Fatehpur B.O | Athmalgola | Patna | Bihar |
| 803211 | Fulelpur B.O | Athmalgola | Patna | Bihar |
| 803211 | Jalalpur B.O | Athmalgola | Patna | Bihar |
| 803211 | Nayabigha B.O | Athmalgola | Patna | Bihar |
| 803211 | Ramnagar Karai Kachhar B.O | Athmalgola | Patna | Bihar |
| 803211 | Rupas B.O | Athmalgola | Patna | Bihar |
| 803211 | Saistapur B.O | Athmalgola | Patna | Bihar |
| 803211 | Shawani B.O | Athmalgola | Patna | Bihar |
| 803211 | Rahimapur B.O | Barh | Patna | Bihar |