Atrauna BO is the primary post office registered under PIN code 802123 in Buxar, Bihar. This code sits within the Eastern Postal Region, with 10 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Atrauna BO | BO | Branch Post Office |
| Diwan Ka Barka Gaon BO | BO | Branch Post Office |
| Itarhi SO | SO | Sub Post Office |
| Mahila BO | BO | Branch Post Office |
| Khanita BO | BO | Branch Post Office |
| Unwas BO | BO | Branch Post Office |
| Baikunthpur BO | BO | Branch Post Office |
| Bashudhar BO | BO | Branch Post Office |
| Kukurahan BO | BO | Branch Post Office |
| Basantpur BO | BO | Branch Post Office |
