In Darjeeling district, West Bengal, PIN code 734009 is anchored by Gulma BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Gulma BO | BO | Branch Post Office |
| Simulbari BO | BO | Branch Post Office |
| New Chumta BO | BO | Branch Post Office |
| Sukna SO | SO | Sub Post Office |
