| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 401 | Darma | Darima BO | 📍 847121 | Keotiranway | Branch Post Office |
| 402 | Dasauth | Dasauth BO | 📍 847405 | Alinagar | Branch Post Office |
| 403 | Dasrathpatti | Mahpara BO | 📍 846009 | Bahadurpur | Branch Post Office |
| 404 | Dath | Panchobe BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 405 | Dathua | Ganaun BO | 📍 847427 | Ghanshyampur | Branch Post Office |
| 406 | Debipur | B.M.V.Pith BO | 📍 846002 | Hayaghat | Branch Post Office |
| 407 | Dekuli | Dekuli BO | 📍 846002 | Bahadurpur | Branch Post Office |
| 408 | Dekuli | S.H.M.C SO | 📍 846002 | Bahadurpur | Branch Post Office |
| 409 | Deokali | Bahadurpur BO | 📍 846002 | Bahadurpur | Branch Post Office |
| 410 | Deokali | Deokuli BO | 📍 848209 | Biraul | Branch Post Office |
| 411 | Deona | Thengaha BO | 📍 847405 | Tardih | Branch Post Office |
| 412 | Deora | Bandhauli BO | 📍 847303 | Jale | Branch Post Office |
| 413 | Deoram | Amaithi BO | 📍 847233 | Benipur | Branch Post Office |
| 414 | Dhaliahi | Sanahpurdih BO | 📍 847307 | Singhwara | Branch Post Office |
| 415 | Dhamsayn | Dhamsain BO | 📍 847405 | Alinagar | Branch Post Office |
| 416 | Dhamwara | Dhamuara BO | 📍 847405 | Alinagar | Branch Post Office |
| 417 | Dhanauli | Dhanauli BO | 📍 847101 | Baheri | Branch Post Office |
| 418 | Dhangha | Bauram BO | 📍 847203 | Kiratpur | Branch Post Office |
| 419 | Dhanirampur | Pokhar Bhinda BO | 📍 847407 | Manigachhi | Branch Post Office |
| 420 | Dhankaul | Pokhar Bhinda BO | 📍 847407 | Manigachhi | Branch Post Office |
| 421 | Dharam Pokhar | Taralahi BO | 📍 846003 | Bahadurpur | Branch Post Office |
| 422 | Dharampur | Laxmisagar SO Darbhanga | 📍 846009 | Bahadurpur | Post Office - PO |
| 423 | Dharampur | Kuseshwar Asthan SO | 📍 848213 | Kusheshwar Asthan Purbi | Post Office - PO |
| 424 | Dharnipatti | Panchobe BO | 📍 846003 | Bahadurpur | Branch Post Office |
| 425 | Dharshyam | Beridharsham BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 426 | Dheri Chak | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 427 | Dhiropatti | Anandpur SO | 📍 847101 | Hayaghat | Post Office - PO |
| 428 | Dhobepur Bansara | K.Baikunth BO | 📍 847301 | Baheri | Branch Post Office |
| 429 | Dhobgawan | Ryam Factory SO | 📍 847337 | Keotiranway | Post Office - PO |
| 430 | Dhoi | Laxmisagar SO Darbhanga | 📍 846009 | Darbhanga | Post Office - PO |
| 431 | Dhuria | Khirma BO | 📍 847121 | Keotiranway | Branch Post Office |
| 432 | Dhuria Chhaunia | Khirma BO | 📍 847121 | Keotiranway | Branch Post Office |
| 433 | Dhuria Daharia | Ashraha BO | 📍 847121 | Keotiranway | Branch Post Office |
| 434 | Dighiar | S.Lalganj BO | 📍 847121 | Keotiranway | Branch Post Office |
| 435 | Dighopatti | Bandhauli BO | 📍 847303 | Jale | Branch Post Office |
| 436 | Dighra | Doghra BO | 📍 847302 | Jale | Branch Post Office |
| 437 | Dih Berai | Atihar BO | 📍 846007 | Darbhanga | Branch Post Office |
| 438 | Dih lahi | Dilahi BO | 📍 846003 | Hanumannagar | Branch Post Office |
| 439 | Dilawarpur | Milkichak BO | 📍 846009 | Bahadurpur | Branch Post Office |
| 440 | Dilawarpur | Chilha Dilawarpur BO | 📍 847101 | Baheri | Branch Post Office |
| 441 | Dinmo | Dinmo BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 442 | Diwari | Kabaria Khutwara BO | 📍 846009 | Darbhanga | Branch Post Office |
| 443 | Dohat Narain | Narayandohat BO | 📍 847105 | Baheri | Branch Post Office |
| 444 | Dohatha | S.Lagma BO | 📍 847427 | Ghanshyampur | Branch Post Office |
| 445 | Dome | B.K.Asthan BO | 📍 846005 | Keotiranway | Branch Post Office |
| 446 | Dompathi | Jaideopatti BO | 📍 847405 | Ghanshyampur | Branch Post Office |
| 447 | Doriha urf Manoripatti | Kuseshwar Asthan SO | 📍 848213 | Kusheshwar Asthan | Post Office - PO |
| 448 | Dubaha | Jhajhra BO | 📍 848213 | Kusheshwar Asthan | Branch Post Office |
| 449 | Dubauli | Thathopur BO | 📍 847105 | Baheri | Branch Post Office |
| 450 | Dubhaul | Gangauli BO | 📍 847407 | Manigachhi | Branch Post Office |