Rajpur is Taluka (Tehsil) in Buxar district of Bihar state. Rajpur has 26 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 802128 | Banni PIN Code | Buxar | Rajpur | Branch Office |
| 802113 | Barkarajpur PIN Code | Buxar | Rajpur | Sub Office |
| 802117 | Bikaram English PIN Code | Buxar | Rajpur | Branch Office |
| 802128 | Chaubey Ke Prasia PIN Code | Buxar | Rajpur | Branch Office |
| 802113 | Chhotkarajpur PIN Code | Buxar | Rajpur | Branch Office |
| 802313 | Daulatpur PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Deoria PIN Code | Buxar | Rajpur | Branch Office |
| 802117 | Dhansoi PIN Code | Buxar | Rajpur | Sub Office |
| 802117 | Gagaura PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Hethua PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Hitawarajpur PIN Code | Buxar | Rajpur | Sub Office |
| 802117 | Indaur PIN Code | Buxar | Rajpur | Branch Office |
| 802117 | Itarhian PIN Code | Buxar | Rajpur | Branch Office |
| 802128 | Jamauli PIN Code | Buxar | Rajpur | Branch Office |
| 802128 | Kajaria PIN Code | Buxar | Rajpur | Branch Office |
| 802117 | Kakaria PIN Code | Buxar | Rajpur | Branch Office |
| 802113 | Keshopur PIN Code | Buxar | Rajpur | Branch Office |
| 802117 | Khocharia PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Mangraon Sangraon PIN Code | Buxar | Rajpur | Branch Office |
| 802128 | Mukhraon PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Nagpur PIN Code | Buxar | Rajpur | Branch Office |
| 802117 | Nehalpur PIN Code | Buxar | Rajpur | Branch Office |
| 802128 | Rasen PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Rauni PIN Code | Buxar | Rajpur | Branch Office |
| 802117 | Saisar Ganghari PIN Code | Buxar | Rajpur | Branch Office |
| 802122 | Sisrarh PIN Code | Buxar | Rajpur | Branch Office |