| Office Name | Sessughat B.O |
| Pincodes | 785676 |
| Area | Sessughat |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dibrugarh |
| State | Assam |
| Telephone No. | Na |
| Office Name | Seujiapathar B.O |
| Pincodes | 787058 |
| Area | Seujiapathar |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Silabaligaon B.O |
| Pincodes | 787059 |
| Area | Silabaligaon |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Silapathar S.O |
| Pincodes | 787059 |
| Area | Silapathar |
| Office Status | Sub Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | 03753-246888 |
| Office Name | Silgrant B.O |
| Pincodes | 786621 |
| Area | Silgrant |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dibrugarh |
| State | Assam |
| Telephone No. | Na |
| Office Name | Silonibari B.O |
| Pincodes | 787031 |
| Area | Silonibari |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |
| Office Name | Silputa B.O |
| Pincodes | 785676 |
| Area | Silputa |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dibrugarh |
| State | Assam |
| Telephone No. | Na |
| Office Name | Simaluguri B.O |
| Pincodes | 784165 |
| Area | Simaluguri |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |
| Office Name | Simen Chapori S.O |
| Pincodes | 787061 |
| Area | Simen Chapori |
| Office Status | Sub Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Singra B.O |
| Pincodes | 787023 |
| Area | Singra |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |
| Office Name | Sissiborgaon S.O |
| Pincodes | 787110 |
| Area | Sissiborgaon |
| Office Status | Sub Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | 03753-263271 |
| Office Name | Sissimukh B.O |
| Pincodes | 787058 |
| Area | Sissimukh |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Sisumari Barpathar B.O |
| Pincodes | 786612 |
| Area | Sisumari Barpathar |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dibrugarh |
| State | Assam |
| Telephone No. | Na |
| Office Name | Sologuri B.O |
| Pincodes | 786613 |
| Area | Sologuri |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dibrugarh |
| State | Assam |
| Telephone No. | Na |
| Office Name | Somkong Pagar B.O |
| Pincodes | 787061 |
| Area | Somkong Pagar |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Sonapur B.O |
| Pincodes | 784160 |
| Area | Sonapur |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |
| Office Name | Sonapur B.O |
| Pincodes | 787054 |
| Area | Sonapur |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |
| Office Name | Sonardheki B.O |
| Pincodes | 787052 |
| Area | Sonardheki |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |
| Office Name | Subahi B.O |
| Pincodes | 787057 |
| Area | Subahi |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Dhemaji |
| State | Assam |
| Telephone No. | Na |
| Office Name | Subansiri Koibarta Adarsha Gao B.O |
| Pincodes | 787056 |
| Area | Subansiri Koibarta Adarsha Gao |
| Office Status | Branch Post Office |
| Postal Circle | Assam |
| Postal Division | Dibrugarh |
| Postal Region | Dibrugarh |
| District | Lakhimpur |
| State | Assam |
| Telephone No. | Na |