| Post Office | Biswanathghat |
| Division | Darrang |
| Region | Guwahati Hq |
| Circle | Assam |
| Taluka | Biswanathghat |
| District | Sonitpur |
| State | Assam |
| Phone | 03712-258475 |
| Sub Office | NA |
| Head Office | Tezpur H.O |
| Pincode |
784177
|
| Post Office | Solemari No.1 |
| Division | Darrang |
| Region | Guwahati Hq |
| Circle | Assam |
| Taluka | Biswanathghat |
| District | Sonitpur |
| State | Assam |
| Phone | NA |
| Sub Office | Biswanathghat S.O |
| Head Office | Tezpur H.O |
| Pincode |
784177
|