PinCode: 852108, Koshlipatti Post Office, Gamhariya, Madhepura, Bihar
| Post Office | Koshlipatti |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 852108
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| Telephone | |
| Town/Taluk | Gamhariya |
| District | Madhepura |
| State | Bihar |
| Postal Division | Saharsa |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Gamhariya, Madhepura, Bihar