| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 451 | Dighauneh | Mahadevpur SO Katihar | 📍 854116 | Pranpur | Post Office - PO |
| 452 | Dighra Badh | Jarlahi BO | 📍 854104 | Barari | Branch Post Office |
| 453 | Dighrisalempur | Dighri BO | 📍 854106 | Korha | Branch Post Office |
| 454 | Dilarpur | Dilarpur BO | 📍 854113 | Manihari | Branch Post Office |
| 455 | Dilarpur | Manihari SO | 📍 854113 | Manihari | Post Office - PO |
| 456 | Dilarpur | Salmari SO | 📍 855113 | Kadwa | Post Office - PO |
| 457 | Dilawarpur | Bairia BO | 📍 855101 | Amdabad | Branch Post Office |
| 458 | Dilli Diwanganj | Dilli Diwanganj BO | 📍 854117 | Amdabad | Branch Post Office |
| 459 | Diwandih | Pawai BO | 📍 854104 | Korha | Branch Post Office |
| 460 | Doasi | Durgaganj SO | 📍 855105 | Dandkhora | Post Office - PO |
| 461 | Dogachh | Bighor BO | 📍 854317 | Barsoi | Branch Post Office |
| 462 | Dogra Milik | Mansahi BO | 📍 854103 | Mansahi | Branch Post Office |
| 463 | Dokra | Rosna SO | 📍 854117 | Amdabad | Post Office - PO |
| 464 | Dubisubhi | Sudhani RS BO | 📍 854317 | Barsoi | Branch Post Office |
| 465 | Duha | Gaualtoli BO | 📍 855102 | Barsoi | Branch Post Office |
| 466 | Dukhara | Sonaili SO | 📍 855114 | Kadwa | Post Office - PO |
| 467 | Dulahpur | Sankola BO | 📍 855102 | Barsoi | Branch Post Office |
| 468 | Dullahpur | Mahishal BO | 📍 854317 | Balrampur | Branch Post Office |
| 469 | Dumar | Chandpur BO | 📍 855105 | Sameli | Branch Post Office |
| 470 | Dumaria | Madarichak BO | 📍 854113 | Amdabad | Branch Post Office |
| 471 | Dumaria | Rosna SO | 📍 854117 | Amdabad | Post Office - PO |
| 472 | Dumaria | Dumaria BO | 📍 855114 | Dandkhora | Branch Post Office |
| 473 | Dumaria | Sonaili SO | 📍 855114 | Dandkhora | Post Office - PO |
| 474 | Dumaria Bishunpur | Mansahi BO | 📍 854103 | Mansahi | Branch Post Office |
| 475 | Dumary Khal | Katihar Bmp Camp SO | 📍 854106 | katihar | Post Office - PO |
| 476 | durgaganj SO | Durgaganj SO | 📍 855105 | katihar | Post Office - PO |
| 477 | Durgapur | Katihar HO | 📍 854105 | katihar | Head Post Office - H |
| 478 | Durgapur | Sukhasan BO | 📍 854107 | Barari | Branch Post Office |
| 479 | Durgapur | Amdabad SO | 📍 854112 | Amdabad | Post Office - PO |
| 480 | Durgapur Milik | Mahadevpur SO Katihar | 📍 854116 | Pranpur | Post Office - PO |
| 481 | Durgapur Urf Lachhmipur | Durgapur BO | 📍 854204 | Amdabad | Branch Post Office |
| 482 | Duria | Parveli BO | 📍 855105 | Kadwa | Branch Post Office |
| 483 | Ekamba | Korha SO | 📍 854108 | Korha | Post Office - PO |
| 484 | Ekauna | Kuretha' BO | 📍 854107 | Mansahi | Branch Post Office |
| 485 | Ekchanan | Dhachna BO | 📍 854317 | Barsoi | Branch Post Office |
| 486 | Eksala | Khirdirpur BO | 📍 855102 | Barsoi | Branch Post Office |
| 487 | Eksala Arazi | Khirdirpur BO | 📍 855102 | Barsoi | Branch Post Office |
| 488 | English | Dilli Diwanganj BO | 📍 854117 | Amdabad | Branch Post Office |
| 489 | Falka | Falka BO | 📍 854114 | Falka | Branch Post Office |
| 490 | Fatehnagar | Manihari SO | 📍 854113 | Manihari | Post Office - PO |
| 491 | Fatehpur | Fatehpur BO | 📍 854335 | Balrampur | Branch Post Office |
| 492 | Fatehpur | Fatehpur BO | 📍 855101 | Azamnagar | Branch Post Office |
| 493 | Gach Baghwa | Pranpur BO | 📍 854116 | Pranpur | Branch Post Office |
| 494 | Gachh | Nimoul BO | 📍 855113 | Azamnagar | Branch Post Office |
| 495 | Gachh Baliatha | Nimoul BO | 📍 855113 | Azamnagar | Branch Post Office |
| 496 | Gachh Nista | Sadapur BO | 📍 855113 | Kadwa | Branch Post Office |
| 497 | Gachh Rasulpur | Sadapur BO | 📍 855113 | Kadwa | Branch Post Office |
| 498 | Gachh Titahia | Sadapur BO | 📍 855113 | Kadwa | Branch Post Office |
| 499 | Gadai Maharajpur | Pardiara BO | 📍 854113 | Amdabad | Branch Post Office |
| 500 | Gahilbari | Belbari BO | 📍 855113 | Azamnagar | Branch Post Office |