PinCode: 813110, Chalna Post Office, Barahat, Banka, Bihar
| Post Office | Chalna |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 813110
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| Telephone | |
| Town/Taluk | Barahat |
| District | Banka |
| State | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna HQ |
| Postal Circle | Bihar |
List of Other Post Offices in Barahat, Banka, Bihar