| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 501 | Dharahra | Dashara BO | 📍 848501 | Mohiuddinagar | Branch Post Office |
| 502 | Dharampur | Samastipur HO | 📍 848101 | Samastipur | Head Post Office - H |
| 503 | Dharampur | Khairi BO | 📍 848117 | Khanpur | Branch Post Office |
| 504 | Dharampur | Manikpur BO | 📍 848127 | Sarairanjan | Branch Post Office |
| 505 | Dharampur | Jhakhar BO | 📍 848216 | Shivaji Nagar | Branch Post Office |
| 506 | Dharampur | Jitwaria BO | 📍 848302 | Kalyanpur | Branch Post Office |
| 507 | Dharampur Asli | Maricha BO | 📍 848504 | Morwa | Branch Post Office |
| 508 | Dharampur Bande | Dharampur Bandey BO | 📍 848504 | Morwa | Branch Post Office |
| 509 | Dharampur Dakhli | Maricha BO | 📍 848504 | Morwa | Branch Post Office |
| 510 | Dharampur Jairam | Rahua BO | 📍 848210 | Rosera | Branch Post Office |
| 511 | Dharmagalpur Bathua | Bishanpur Bathua BO | 📍 848115 | Pusa | Branch Post Office |
| 512 | Dharmagalpur Bathua | Dharmagatpur Bathua BO | 📍 848115 | Pusa | Branch Post Office |
| 513 | Dharmagatpur | Dharmagatpur Bathua BO | 📍 848115 | Pusa | Branch Post Office |
| 514 | Dharnipatti | Dharnipatti BO | 📍 848506 | Mohanpur | Branch Post Office |
| 515 | Dhatha | Rasalpur Dharha BO | 📍 848210 | Rosera | Branch Post Office |
| 516 | Dhenu Dih | Basudeva BO | 📍 848209 | Singhia | Branch Post Office |
| 517 | Dhepura | Depura BO | 📍 848114 | Dalsinghsarai | Branch Post Office |
| 518 | Dhidiha | Akauna BO | 📍 848209 | Singhia | Branch Post Office |
| 519 | Dhobauli | Kundal SO Samastipur | 📍 848206 | Bithan | Post Office - PO |
| 520 | Dhobgawan | Dhobgama BO | 📍 848125 | Pusa | Branch Post Office |
| 521 | Dhobgawan | Dhrubgama BO | 📍 848302 | Kalyanpur | Branch Post Office |
| 522 | Dhurabgama | Dhrubgama BO | 📍 848302 | Kalyanpur | Branch Post Office |
| 523 | Dhurlakh | Bh.Dhurlak BO | 📍 848101 | Samastipur | Branch Post Office |
| 524 | Dhurlakh | Rampur Kushaiya BO | 📍 848301 | Warisnagar | Branch Post Office |
| 525 | Dighra | Dighra SO | 📍 848115 | Pusa | Post Office - PO |
| 526 | Dih Sarsauna | Gauspur Sarsauna BO | 📍 848130 | Tajpur | Branch Post Office |
| 527 | Dih Tola | Sherpur Dhepura BO | 📍 848503 | Vidyapati Nagar | Branch Post Office |
| 528 | Dihuli | Angarghat BO | 📍 848236 | Ujiarpur | Branch Post Office |
| 529 | Dilmanpur Boar | Dinmanpur BO | 📍 848117 | Khanpur | Branch Post Office |
| 530 | Dinmanpur | Dinmanpur BO | 📍 848117 | Khanpur | Branch Post Office |
| 531 | Dubaha | Mahmmadipur BO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 532 | Dubaini | Mohiuddin Nagar R.S SO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 533 | Dudhail | Hassanpur S. Mill SO | 📍 848205 | Hasanpur | Branch Post Office |
| 534 | Dudhpura | Rampur Dudhpura BO | 📍 848101 | Samastipur | Branch Post Office |
| 535 | Dudhpura | Mangalgarh SO | 📍 848208 | Hasanpur | Post Office - PO |
| 536 | Dumarbana | Rampur Kushaiya BO | 📍 848301 | Warisnagar | Branch Post Office |
| 537 | Dumari | Dumri Bindgama BO | 📍 848506 | Mohanpur | Branch Post Office |
| 538 | Dumari Dakhli | Srichandpur Kothia BO | 📍 848122 | Tajpur | Branch Post Office |
| 539 | Dumarkol | Dasaut BO | 📍 848209 | Shivaji Nagar | Branch Post Office |
| 540 | Dumduma | Chaksaho BO | 📍 848504 | Patori | Branch Post Office |
| 541 | Dumrawan | Malinagar BO | 📍 848125 | Kalyanpur | Branch Post Office |
| 542 | Dumri Pauthi | D.Pauri BO | 📍 847201 | Kalyanpur | Branch Post Office |
| 543 | Durugpur | Hassanpur S. Mill SO | 📍 848205 | Hasanpur | Branch Post Office |
| 544 | Ekdara | Darshuar BO | 📍 847301 | Kalyanpur | Branch Post Office |
| 545 | Fakirana | Raniparti BO | 📍 848117 | Shivaji Nagar | Branch Post Office |
| 546 | Fakirana | Belsandi Tara BO | 📍 848236 | Bibhutpur | Branch Post Office |
| 547 | Fatehpur | Bishanpur Abhi BO | 📍 848210 | Khanpur | Branch Post Office |
| 548 | Fatehpur | Hasanpur [Rusera] BO | 📍 848210 | Khanpur | Branch Post Office |
| 549 | Fatehpur | Chandpura BO | 📍 848504 | Patori | Branch Post Office |
| 550 | Fatehpur Bala | Fatehpur Bela BO | 📍 848130 | Tajpur | Branch Post Office |