PIN code 802131 belongs to Rajpur BO (Branch Post Office), located in Buxar district, Bihar. It falls under the Eastern Postal Region and is served by 6 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Rajpur BO | BO | Branch Post Office |
| Ekauna Dubauli BO | BO | Branch Post Office |
| Sahiyar BO | BO | Branch Post Office |
| Gangauli BO | BO | Branch Post Office |
| Sheopur Diar BO | BO | Branch Post Office |
| Niazipur SO | SO | Sub Post Office |
