PinCode: 788720, Siberchak Post Office, Karimganj, Karimganj, Assam
| Post Office | Siberchak |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 788720
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| Telephone | |
| Town/Taluk | Karimganj |
| District | Karimganj |
| State | Assam |
| Postal Division | Cachar |
| Postal Region | Dibrugarh |
| Postal Circle | Assam |
List of Other Post Offices in Karimganj, Karimganj, Assam