PIN code 802101 belongs to Nai Bazar SO Buxar (post office), located in Buxar district, Bihar. It falls under the Eastern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Nai Bazar SO Buxar | OTHER | post office |
| Buxar HO | HO | Head Post Office |
| Sohni Patti SO | SO | Sub Post Office |
