PinCode: 841211, Zilkabad Post Office, Garkha, Saran, Bihar
| Post Office | Zilkabad |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 841211
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| Telephone | |
| Town/Taluk | Garkha |
| District | Saran |
| State | Bihar |
| Postal Division | Saran |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Garkha, Saran, Bihar