In Nalbari district, Assam, PIN code 781304 is anchored by Dirua B.O, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Dirua B.O | BO | Branch Post Office |
| Gandhia B.O | BO | Branch Post Office |
| Belsor S.O | SO | Sub Post Office |
| Kakaya B.O | BO | Branch Post Office |
| Barnibari B.O | BO | Branch Post Office |
| Bonmaza B.O | BO | Branch Post Office |
