PinCode: 835324, Olmunda Post Office, Sisai, Gumla, Jharkhand
| Post Office | Olmunda |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 835324
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| Telephone | |
| Town/Taluk | Sisai |
| District | Gumla |
| State | Jharkhand |
| Postal Division | Ranchi |
| Postal Region | Ranchi |
| Postal Circle | Jharkhand |
List of Other Post Offices in Sisai, Gumla, Jharkhand