| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 551 | DARPA | Darpa BO | 📍 845302 | Bankatwa | Branch Post Office |
| 552 | Daya Chhapra | Bhuwan Chapra BO | 📍 845412 | Chakia(Pipra) | Branch Post Office |
| 553 | Delho | Gulwara Madhuban SO | 📍 845420 | Madhuban | Post Office - PO |
| 554 | DEOKULIA | Deokulia BO | 📍 845430 | Madhuban | Branch Post Office |
| 555 | Deopur | Bhuwan Chapra BO | 📍 845412 | Chakia(Pipra) | Branch Post Office |
| 556 | Derwa | Bairiya BO | 📍 845424 | Kesaria | Branch Post Office |
| 557 | Dewajitpur | Gawandra BO | 📍 845426 | Mehsi | Branch Post Office |
| 558 | Dewapur | Kh0ri Pakar BO | 📍 845427 | Patahi | Branch Post Office |
| 559 | Dewapur | Baluwa BO | 📍 845457 | Patahi | Branch Post Office |
| 560 | Dewdatwa | Belwa BO | 📍 845305 | Sugauli | Branch Post Office |
| 561 | Dewkuliya | Deokulia BO | 📍 845430 | Phenhara | Branch Post Office |
| 562 | Dewkuliya | Phenhara SO | 📍 845430 | Phenhara | Post Office - PO |
| 563 | Dewpur | Bakhari BO | 📍 845413 | Kalyanpur | Branch Post Office |
| 564 | Dewpur | Bishambharapur BO | 📍 845413 | Kalyanpur | Branch Post Office |
| 565 | Dewpur Parsa | Bishambharapur BO | 📍 845413 | Kalyanpur | Branch Post Office |
| 566 | Dhabdhabwa | Purainia BO | 📍 845301 | Adapur | Branch Post Office |
| 567 | Dhaka | Dhaka SO | 📍 845418 | Dhaka | Post Office - PO |
| 568 | Dhaka | Sirauna BO | 📍 845418 | Dhaka | Branch Post Office |
| 569 | Dhanauji | Dhanujee BO | 📍 845428 | Pakri Dayal | Branch Post Office |
| 570 | Dhanauji | Pakari Dayal SO | 📍 845428 | Pakri Dayal | Post Office - PO |
| 571 | Dhangarhwa | Ramgahrwa SO | 📍 845433 | Raxaul | Post Office - PO |
| 572 | dhangarhwa | Phularia BO | 📍 845433 | Ramgarhwa | Branch Post Office |
| 573 | Dhanhar Dihuli | Dhanhar Dihuli BO | 📍 845433 | Ramgarhwa | Branch Post Office |
| 574 | Dhanhar Dihuli | Laxmipur Pokhariya BO | 📍 845433 | Ramgarhwa | Branch Post Office |
| 575 | Dhankharaiya | Balua BO | 📍 845422 | Harsidhi | Branch Post Office |
| 576 | Dhankharaiya | Son Barsa BO | 📍 845422 | Harsidhi | Branch Post Office |
| 577 | Dhanukhi | Chauradano SO | 📍 845302 | Bankatwa | Post Office - PO |
| 578 | Dhapahar Patti Hardiya | Chauradano SO | 📍 845302 | Narkatia | Post Office - PO |
| 579 | Dhapahar Patti Saraiya | Chauradano SO | 📍 845302 | Narkatia | Post Office - PO |
| 580 | DhapaharPatti Saraiya | Chauradano SO | 📍 845302 | Narkatia | Post Office - PO |
| 581 | Dharam Nagar | Chauradano SO | 📍 845302 | Narkatia | Post Office - PO |
| 582 | Dharhari | Gamharia Khurd BO | 📍 845301 | Narkatia | Branch Post Office |
| 583 | Dharhgawan | Gawandra BO | 📍 845426 | Mehsi | Branch Post Office |
| 584 | Dharmuhan | Pataura BO | 📍 845401 | Motihari | Branch Post Office |
| 585 | Dharni chapra | M.B.Ban BO | 📍 845412 | Chakia(Pipra) | Branch Post Office |
| 586 | Dhawahi | Dhawahi BO | 📍 845422 | Harsidhi | Branch Post Office |
| 587 | Dhawahi | Turkaulia SO | 📍 845437 | Harsidhi | Post Office - PO |
| 588 | Dhekaha | Kesharia SO | 📍 845424 | Kesaria | Post Office - PO |
| 589 | DHEKAHA BAZAR | Dhekaha Bazar BO | 📍 845401 | Pakri Dayal | Branch Post Office |
| 590 | Dhekaha Part in Motihari * * | Majharia SO | 📍 845401 | Piprakothi | Post Office - PO |
| 591 | Dhekaha Part in Pipra Kothi * * | Dhekaha Bazar BO | 📍 845401 | Motihari | Branch Post Office |
| 592 | Dheluaha | Gorahia BO | 📍 845426 | Mehsi | Branch Post Office |
| 593 | Dhobauliya | Koila Belwa BO | 📍 845412 | Chakia(Pipra) | Branch Post Office |
| 594 | Dhobwalia | Madhuhawa Brit BO | 📍 845436 | Tetaria | Branch Post Office |
| 595 | Dhothra | Gorahia BO | 📍 845426 | Mehsi | Branch Post Office |
| 596 | Dih Mahuahi | Mahuawa BO | 📍 845415 | Chiraia | Branch Post Office |
| 597 | Dilawarpur | Damodarpur SO | 📍 845416 | Kalyanpur | Post Office - PO |
| 598 | DILAWARPUR | Dilawarpur BO | 📍 845426 | Mehsi | Branch Post Office |
| 599 | Dipahi Dharharwa | Dipahi Dharharwa BO | 📍 845315 | Chiraia | Branch Post Office |
| 600 | Dipau | Darmaha BO | 📍 845432 | Kotwa | Branch Post Office |