| Office Name | Missamari B.O |
| Pincodes | 787026 |
| Area | Missamari |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Missamari S.O |
| Pincodes | 784506 |
| Area | Missamari |
| Office Status | Sub Post Office |
| Postal Circle | Assam |
| Postal Division | Darrang |
| Postal Region | Guwahati Hq |
| District | Sonitpur |
| State | Assam |
| Telephone No. | 03712-253521 |