| Office Name | Sinek B.O |
| Pincodes | 737111 |
| Area | Sinek |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Singhik B.O |
| Pincodes | 737116 |
| Area | Singhik |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | North Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Singhithang B.O |
| Pincodes | 737126 |
| Area | Singhithang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Singtam S.O |
| Pincodes | 737134 |
| Area | Singtam |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | 03592-233721 |
| Office Name | Smu Sikkim Manipal University |
| Pincodes | 737102 |
| Area | Smu Sikkim Manipal University |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | 03592-231276 |
| Office Name | Sombaria B.O |
| Pincodes | 737121 |
| Area | Sombaria |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Song B.O |
| Pincodes | 737134 |
| Area | Song |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Soreng B.O |
| Pincodes | 737121 |
| Area | Soreng |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sorok B.O |
| Pincodes | 737126 |
| Area | Sorok |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | South Regu B.O |
| Pincodes | 737131 |
| Area | South Regu |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sri Badam B.O |
| Pincodes | 737121 |
| Area | Sri Badam |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sudunglakha B.O |
| Pincodes | 737133 |
| Area | Sudunglakha |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Suldung B.O |
| Pincodes | 737121 |
| Area | Suldung |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sumbuk B.O |
| Pincodes | 737128 |
| Area | Sumbuk |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sumin B.O |
| Pincodes | 737134 |
| Area | Sumin |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Tadong S.O |
| Pincodes | 737102 |
| Area | Tadong |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | 03592-270243 |
| Office Name | Takuthang B.O |
| Pincodes | 737121 |
| Area | Takuthang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Tarku B.O |
| Pincodes | 737134 |
| Area | Tarku |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Tashiding B.O |
| Pincodes | 737111 |
| Area | Tashiding |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Tashiling S.O |
| Pincodes | 737103 |
| Area | Tashiling |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |