| Office Name | Tonganagaon B.O |
| Pincodes | 786152 |
| Area | Tonganagaon |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Tinsukia |
| Postal Region | Dibrugarh |
| District | Tinsukia |
| State | Assam |
| Telephone No. | Na |
| Office Name | Udai Pur B.O |
| Pincodes | 786182 |
| Area | Udai Pur |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Tinsukia |
| Postal Region | Dibrugarh |
| District | Tinsukia |
| State | Assam |
| Telephone No. | Na |
| Office Name | Ulup Gaon B.O |
| Pincodes | 786181 |
| Area | Ulup Gaon |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Tinsukia |
| Postal Region | Dibrugarh |
| District | Tinsukia |
| State | Assam |
| Telephone No. | Na |