| DISTRICT NAME | OFFICE NAME | PINCODE |
| WEST DISTRICT | Arithang BO | 737111 |
| WEST DISTRICT | Bhaluthang BO | 737111 |
| WEST DISTRICT | Chingthang BO | 737111 |
| WEST DISTRICT | Gerathang BO | 737111 |
| WEST DISTRICT | Yangthang BO | 737111 |
| WEST DISTRICT | Budang BO | 737121 |
| WEST DISTRICT | Pipalay BO | 737121 |
| WEST DISTRICT | Sanganath BO | 737121 |
| WEST DISTRICT | Sri Badam BO | 737121 |
| WEST DISTRICT | Suldung BO | 737121 |
| WEST DISTRICT | Khechuperi BO | 737113 |
| WEST DISTRICT | Namphu BO | 737113 |
| WEST DISTRICT | Radhu Khandu BO | 737113 |
| WEST DISTRICT | Uttarey BO | 737113 |
| WEST DISTRICT | Yuksom BO | 737113 |
| WEST DISTRICT | Pelling SO | 737113 |
| WEST DISTRICT | Legship BO | 737111 |
| WEST DISTRICT | Lingchom BO | 737111 |
| WEST DISTRICT | Tashiding BO | 737111 |
| WEST DISTRICT | Yangtey BO | 737111 |
| WEST DISTRICT | Buriakhop BO | 737121 |
| WEST DISTRICT | Chakung BO | 737121 |
| WEST DISTRICT | Okharey BO | 737121 |
| WEST DISTRICT | Soreng BO | 737121 |
| WEST DISTRICT | Tharpu BO | 737121 |
| WEST DISTRICT | Darap BO | 737113 |
| WEST DISTRICT | Gayzing SO | 737111 |
| WEST DISTRICT | Karjee BO | 737111 |
| WEST DISTRICT | Chumbong BO | 737121 |
| WEST DISTRICT | Malbasey BO | 737121 |
| WEST DISTRICT | Reshi BO | 737121 |
| WEST DISTRICT | Timburbong BO | 737121 |
| WEST DISTRICT | Mechi Aching BO | 737113 |
| WEST DISTRICT | Rangship BO | 737111 |
| WEST DISTRICT | Rinchenpong BO | 737111 |
| WEST DISTRICT | Sinek BO | 737111 |
| WEST DISTRICT | Zoom BO | 737121 |
| WEST DISTRICT | Singrangpung | 737113 |
| WEST DISTRICT | Dentam BO | 737113 |
| WEST DISTRICT | Thingling BO | 737113 |
| WEST DISTRICT | Arubotay BO | 737121 |
| WEST DISTRICT | Sanchabarey Daramdim BO | 737121 |
| WEST DISTRICT | Sombaria BO | 737121 |
| WEST DISTRICT | Takuthang BO | 737121 |
| WEST DISTRICT | Tikpur BO | 737121 |
| WEST DISTRICT | Karmatar BO | 737113 |
| WEST DISTRICT | Rimbi BO | 737113 |
| WEST DISTRICT | Naya Bazar SO West Sikkim | 737121 |