PinCode: 804426, Kochhasa Post Office, Karpi, Gaya, Bihar
| Post Office | Kochhasa |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 804426
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| Telephone | |
| Town/Taluk | Karpi |
| District | Gaya |
| State | Bihar |
| Postal Division | Gaya |
| Postal Region | Patna HQ |
| Postal Circle | Bihar |
List of Other Post Offices in Karpi, Gaya, Bihar