PinCode: 821310, Harihar Ganj (Rohtas) Post Office, Nasriganj, Rohtas, Bihar
| Post Office | Harihar Ganj (Rohtas) |
| Post Office Status | Sub Post Office (Non Delivery) |
| PinCode | 821310
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| Telephone | 06185-222088 |
| Town/Taluk | Nasriganj |
| District | Rohtas |
| State | Bihar |
| Postal Division | Rohtas |
| Postal Region | Patna HQ |
| Postal Circle | Bihar |
List of Other Post Offices in Nasriganj, Rohtas, Bihar