PinCode: 825408, Karni Post Office, Gidhaur, Chatra, Jharkhand
| Post Office | Karni |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 825408
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| Telephone | |
| Town/Taluk | Gidhaur |
| District | Chatra |
| State | Jharkhand |
| Postal Division | Hazaribagh |
| Postal Region | Ranchi |
| Postal Circle | Jharkhand |
List of Other Post Offices in Gidhaur, Chatra, Jharkhand