| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 401 | Dewa | B.Balaha BO | 📍 843325 | Parsauni | Branch Post Office |
| 402 | Dewari Matauna | D.Mathauna BO | 📍 843319 | Sursand | Branch Post Office |
| 403 | Dhanaha | Kanhawa BO | 📍 843324 | Parihar | Branch Post Office |
| 404 | Dhanahra | Manikchowk SO | 📍 843323 | Runisaidpur | Post Office - PO |
| 405 | Dhanarhi | Majhaura BO | 📍 843331 | Sursand | Branch Post Office |
| 406 | Dhankaul Buzurg | Harpurwa BO | 📍 843314 | Bajpatti | Branch Post Office |
| 407 | Dhankaul Khurd | Dhadhi BO | 📍 843333 | Bokhara | Branch Post Office |
| 408 | Dharambana | Paktola BO | 📍 843302 | Dumra | Branch Post Office |
| 409 | Dharampur | Paktola BO | 📍 843302 | Dumra | Branch Post Office |
| 410 | Dharampur | Parsauni BO | 📍 843302 | Dumra | Branch Post Office |
| 411 | Dharampur | Kamaldah BO | 📍 843322 | Bathnaha | Branch Post Office |
| 412 | Dharampur Madan urf Chhaurhia | M.Mandal BO | 📍 843327 | Suppi | Branch Post Office |
| 413 | Dharharwa | Dharharwa BO | 📍 843324 | Parihar | Branch Post Office |
| 414 | Dharharwa | Sirsia BO | 📍 843324 | Parihar | Branch Post Office |
| 415 | Dharhi | Dhadhi BO | 📍 843333 | Bokhara | Branch Post Office |
| 416 | Dhobauli | K. Bishanpur BO | 📍 843323 | Dumra | Branch Post Office |
| 417 | Dhobauli Jagirdari | K. Bishanpur BO | 📍 843323 | Dumra | Branch Post Office |
| 418 | Dhobha | G.Pitaunjhia BO | 📍 843116 | Runisaidpur | Branch Post Office |
| 419 | Dhobha | Athri SO | 📍 843311 | Runisaidpur | Post Office - PO |
| 420 | Dhobha | T. Chhapra BO | 📍 843316 | Runisaidpur | Branch Post Office |
| 421 | Dhubaha urf Dharaha | Jogiwana BO | 📍 843322 | Bathnaha | Branch Post Office |
| 422 | Dhurwar Parsauni | Parsauni SO | 📍 843325 | Parsauni | Post Office - PO |
| 423 | Dhurwar Parsauni | B.Balaha BO | 📍 843325 | Parsauni | Branch Post Office |
| 424 | Dighi | Dighi BO | 📍 843322 | Bathnaha | Branch Post Office |
| 425 | Dilawarpur | Athri SO | 📍 843311 | Runisaidpur | Post Office - PO |
| 426 | Dilawarpur | Gisara BO | 📍 843311 | Runisaidpur | Branch Post Office |
| 427 | Dilawarpur Az Rakbe | Gisara BO | 📍 843311 | Runisaidpur | Branch Post Office |
| 428 | Dimahi | Narga BO | 📍 843324 | Parihar | Branch Post Office |
| 429 | Dostia | Banarjhula BO | 📍 843317 | Sonbarsa | Post Office - PO |
| 430 | Dostia | Araria BO | 📍 843330 | Sonbarsa | Branch Post Office |
| 431 | Dostia | Sonbersa SO | 📍 843330 | Sonbarsa | Post Office - PO |
| 432 | Dostpur Khadauli | Bariyarpur BO | 📍 843302 | Bathnaha | Branch Post Office |
| 433 | Dumarbana | Dumarbana BO | 📍 843313 | Bairgania | Branch Post Office |
| 434 | Dumarbana | D.Mathauna BO | 📍 843319 | Charaut | Branch Post Office |
| 435 | Dumaria | Majhaulia Estate SO | 📍 843322 | Bathnaha | Post Office - PO |
| 436 | Dumra | Sitamarhi HO | 📍 843301 | Dumra | Head Post Office - H |
| 437 | Dumra | Bishanpur BO | 📍 843302 | Dumra | Branch Post Office |
| 438 | Dumra | Rajopatti BO | 📍 843302 | Dumra | Branch Post Office |
| 439 | Dumra | R.Gosaipur BO | 📍 843302 | Dumra | Branch Post Office |
| 440 | Dumra | Belsand SO | 📍 843316 | Belsand | Post Office - PO |
| 441 | Dumra | Dumra BO | 📍 843316 | Belsand | Branch Post Office |
| 442 | Dumra Dumrapatti | Bachharpur BO | 📍 843320 | Pupri | Branch Post Office |
| 443 | Dumra Dumrapatti | Dumharpatti BO | 📍 843320 | Pupri | Branch Post Office |
| 444 | Dumri Kalan urf Madhuban Jadu | Barharwa SO Sitamarhi | 📍 843315 | Majorganj | Post Office - PO |
| 445 | Dumri Kalan urf Madhuban Jadu | D. Kala BO | 📍 843315 | Majorganj | Post Office - PO |
| 446 | Dumri Khurd | Barharwa SO Sitamarhi | 📍 843315 | Majorganj | Post Office - PO |
| 447 | Dumri Khurd | D. Khurd BO | 📍 843315 | Majorganj | Post Office - PO |
| 448 | Fatehpur | Bhutahi SO | 📍 843317 | Sonbarsa | Post Office - PO |
| 449 | Fatehpur | Banarjhula BO | 📍 843317 | Sonbarsa | Post Office - PO |
| 450 | Fatehpur Gidhmasani | Sitamarhi Bazar SO | 📍 843302 | Dumra | Post Office - PO |