The Pin Code of Osaon is 821309. Get more details along with the Pin Code of Osaon. Osaon is located in Rohtas district in Bihar. 821309 is the pincode (Postal code) of Osaon.
| Location | Pincode | State | District |
| Osaon | 821309 | Bihar | Rohtas |
| Location | Pincode | State | District |
| Amaura | 821309 | Bihar | Rohtas |
| B. kaithi | 821309 | Bihar | Rohtas |
| Danwar | 821309 | Bihar | Rohtas |
| Dhanhara | 821309 | Bihar | Rohtas |
| Parsar | 821309 | Bihar | Rohtas |
| Kachhwa | 821309 | Bihar | Rohtas |