In Supaul district, Bihar, PIN code 852215 is anchored by Dumari BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 15 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Dumari BO | BO | Branch Post Office |
| Tarhi Bazar BO | BO | Branch Post Office |
| Chitti Hanuman Nagar BO | BO | Branch Post Office |
| Daulatpur BO | BO | Branch Post Office |
| Goshpur BO | BO | Branch Post Office |
| Baisa BO | BO | Branch Post Office |
| Bauraha BO | BO | Branch Post Office |
| Hariraha BO | BO | Branch Post Office |
| Sripur BO | BO | Branch Post Office |
| Karjain Bazar SO | SO | Sub Post Office |
| Motipur BO | BO | Branch Post Office |
| Baisi BO | BO | Branch Post Office |
| Janak Lal Basanpatti BO | BO | Branch Post Office |
| Korlahi BO | BO | Branch Post Office |
| Ratanpura BO | BO | Branch Post Office |
