PIN code 852108 belongs to Herdi BO (Branch Post Office), located in Supaul district, Bihar. It falls under the Eastern Postal Region and is served by 9 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Herdi BO | BO | Branch Post Office |
| Koriyarh BO | BO | Branch Post Office |
| Tullapatti BO | BO | Branch Post Office |
| Amha BO | BO | Branch Post Office |
| Hatwaria BO | BO | Branch Post Office |
| Orahi BO | BO | Branch Post Office |
| Koshlipatti BO | BO | Branch Post Office |
| Ramnagar BO | BO | Branch Post Office |
| Gamaharia SO | SO | Sub Post Office |
