PinCode: 843302, Janaki Asthan Post Office, Dumra, Sitamarhi, Bihar
| Post Office | Janaki Asthan |
| Post Office Status | Sub Post Office (Non Delivery) |
| PinCode | 843302
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| Telephone | |
| Town/Taluk | Dumra |
| District | Sitamarhi |
| State | Bihar |
| Postal Division | Sitamarhi |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Dumra, Sitamarhi, Bihar