| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 301 | Darappur | Churamanpur SO | 📍 802116 | Buxar | Post Office - PO |
| 302 | Dariyapur | Moharihan BO | 📍 802128 | Rajpur | Branch Post Office |
| 303 | Daru Dehri | Dehari BO | 📍 802114 | Itarhi | Branch Post Office |
| 304 | Dasarathtal | Unwas BO | 📍 802123 | Itarhi | Branch Post Office |
| 305 | Dasiyawan | Kesath SO | 📍 802125 | Kesath | Post Office - PO |
| 306 | Dastepur | Kukurahan BO | 📍 802123 | Rajpur | Branch Post Office |
| 307 | Daunpura | Asha Parari BO | 📍 802135 | Simri | Branch Post Office |
| 308 | Dayalpur | Banni BO | 📍 802128 | Rajpur | Branch Post Office |
| 309 | Debi Dehra | Rampur BO | 📍 802114 | Chausa | Branch Post Office |
| 310 | Debkali Dharampura | Indaur BO | 📍 802117 | Itarhi | Branch Post Office |
| 311 | Degauli | Katiknar BO | 📍 802125 | Kesath | Branch Post Office |
| 312 | Dehra | Katiknar BO | 📍 802125 | Kesath | Branch Post Office |
| 313 | Dehri | Dehari BO | 📍 802114 | Chausa | Branch Post Office |
| 314 | Dehria | Bashudhar BO | 📍 802123 | Itarhi | Branch Post Office |
| 315 | Dekuli | Deokuli BO | 📍 802112 | Barhampur | Branch Post Office |
| 316 | Deopur | Rasen BO | 📍 802128 | Rajpur | Branch Post Office |
| 317 | Deoria | Bhadar BO | 📍 802126 | Nawanagar | Branch Post Office |
| 318 | Desarbuzurg | Umarpur Diar BO | 📍 802118 | Buxar | Branch Post Office |
| 319 | Deuriya | Sukarwalia BO | 📍 802114 | Chausa | Branch Post Office |
| 320 | Dewanpura | Belaon BO | 📍 802129 | Nawanagar | Branch Post Office |
| 321 | Dewarhiya | Deoria BO | 📍 802122 | Rajpur | Branch Post Office |
| 322 | Dewasthapur | Sukarwalia BO | 📍 802114 | Itarhi | Branch Post Office |
| 323 | Deyalpur | Dhansoi SO | 📍 802117 | Rajpur | Post Office - PO |
| 324 | Dhadha | Dallupur BO | 📍 802130 | Barhampur | Branch Post Office |
| 325 | Dhaf Chapra Unsurveyed | Nainijor BO | 📍 802112 | Chakki | Branch Post Office |
| 326 | Dhakaich | Barka Dhakaich BO | 📍 802133 | Simri | Branch Post Office |
| 327 | Dhan Chhapra | Barki Nainijor BO | 📍 802112 | Barhampur | Branch Post Office |
| 328 | Dhanaha | Manjhawari BO | 📍 802133 | Simri | Branch Post Office |
| 329 | Dhanaipur | Barka Singhanpura BO | 📍 802120 | Simri | Branch Post Office |
| 330 | Dhanaipur | Rajpur BO | 📍 802131 | Rajpur | Branch Post Office |
| 331 | Dhanapah Ditto | Barka Dhakaich BO | 📍 802133 | Simri | Branch Post Office |
| 332 | Dhanbakhra | Itarhi SO | 📍 802123 | Itarhi | Post Office - PO |
| 333 | Dhanbakhra | Rupsagar BO | 📍 802129 | Nawanagar | Branch Post Office |
| 334 | Dhanej | Sikraul BO | 📍 802129 | Nawanagar | Branch Post Office |
| 335 | Dhangain | Kanjharua BO | 📍 802126 | Dumraon | Branch Post Office |
| 336 | Dhanrajepur | Asha Parari BO | 📍 802135 | Simri | Branch Post Office |
| 337 | Dhansoi | Bikaram English BO | 📍 802117 | Rajpur | Branch Post Office |
| 338 | Dhansoi | Dhansoi SO | 📍 802117 | Rajpur | Post Office - PO |
| 339 | Dhansoi | Gagaura BO | 📍 802117 | Rajpur | Branch Post Office |
| 340 | Dhansoi | Indaur BO | 📍 802117 | Rajpur | Branch Post Office |
| 341 | Dhansoi | Itarhian BO | 📍 802117 | Rajpur | Branch Post Office |
| 342 | Dhansoi | Kakaria BO | 📍 802117 | Rajpur | Branch Post Office |
| 343 | Dhansoi | Khocharia BO | 📍 802117 | Rajpur | Branch Post Office |
| 344 | Dhansoi | Nehalpur BO | 📍 802117 | Rajpur | Branch Post Office |
| 345 | Dhansoi | Saisar Ganghari BO | 📍 802117 | Rajpur | Branch Post Office |
| 346 | Dhapachhuha | Sikraul BO | 📍 802129 | Nawanagar | Branch Post Office |
| 347 | Dharamagatpur | Chausa SO Buxar | 📍 802114 | Chausa | Post Office - PO |
| 348 | Dharampur | Rampur BO | 📍 802114 | Chausa | Branch Post Office |
| 349 | Dharampur | Indaur BO | 📍 802117 | Itarhi | Branch Post Office |
| 350 | Dharampura | Indaur BO | 📍 802117 | Itarhi | Branch Post Office |