PIN code 737133 belongs to Rorathang BO (Branch Post Office), located in Pakyong district, Sikkim. It falls under the Eastern Postal Region and is served by 9 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Rorathang BO | BO | Branch Post Office |
| Taza BO | BO | Branch Post Office |
| Upper Dalapchand BO | BO | Branch Post Office |
| Aritar BO | BO | Branch Post Office |
| Shivalaya Mandir Lingsey BO | BO | Branch Post Office |
| Sudunglakha BO | BO | Branch Post Office |
| Amba BO | BO | Branch Post Office |
| Upper Khamdong BO | BO | Branch Post Office |
| Rhenock SO | SO | Sub Post Office |
