PinCode: 785640, Rongpurnagar Post Office, Sibsagar, Sivasagar, Assam
| Post Office | Rongpurnagar |
| Post Office Status | Sub Post Office (Non Delivery) |
| PinCode | 785640
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| Telephone | 03772-222272 |
| Town/Taluk | Sibsagar |
| District | Sivasagar |
| State | Assam |
| Postal Division | Sibsagar |
| Postal Region | Dibrugarh |
| Postal Circle | Assam |
List of Other Post Offices in Sibsagar, Sivasagar, Assam