| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 501 | Kursaha | Bariarpurtola Sirsi BO | 📍 848202 | Khudabandpur | Branch Post Office |
| 502 | Kusmaut | Kushmahaut BO | 📍 851129 | Begusarai | Branch Post Office |
| 503 | Lachhmipur | Saraunja BO | 📍 851127 | Birpur | Branch Post Office |
| 504 | Ladailmani | Chak Hamid BO | 📍 848201 | Bakhri | Branch Post Office |
| 505 | Ladaura | Mirzapurchand BO | 📍 851112 | Barauni | Branch Post Office |
| 506 | Ladhauna | Mirzapur Banduar SO | 📍 851129 | Shamho Akha Kurha | Post Office - PO |
| 507 | Lakhan Patti | Lakhanpatti BO | 📍 848204 | Chhorahi | Branch Post Office |
| 508 | Lakhanpur | Lakhanpur BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 509 | Lakhminia | Lakhminia Bazar BO | 📍 851211 | Balia | Branch Post Office |
| 510 | Lakho | Lakho BO | 📍 851129 | Begusarai | Branch Post Office |
| 511 | Laldiara | Gorgama BO | 📍 851211 | Matihani | Branch Post Office |
| 512 | Lalpur | Rampur Matihani BO | 📍 851129 | Matihani | Branch Post Office |
| 513 | Laruara | Laruara BO | 📍 851218 | Begusarai | Branch Post Office |
| 514 | Lauchhi | B.Bazar SO | 📍 848201 | Bakhri | Branch Post Office |
| 515 | Lodiahi | Lodiyahi BO | 📍 851111 | Bachhwara | Branch Post Office |
| 516 | Lodipur | Danauli Phulwaria BO | 📍 851211 | Begusarai | Branch Post Office |
| 517 | Madanpur | Sonma BO | 📍 848201 | Bakhri | Branch Post Office |
| 518 | Madhepura | Maheshpur BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 519 | Madhurapur | Madhurapur BO | 📍 851113 | Teghra | Branch Post Office |
| 520 | Madhurapur Chauthia | Madhurapur BO | 📍 851113 | Teghra | Branch Post Office |
| 521 | Mahadeo Chak | Sakarpura SO | 📍 848203 | Bakhri | Post Office - PO |
| 522 | Mahadpur | Tilrath BO | 📍 851112 | Begusarai | Branch Post Office |
| 523 | Mahammadpur Baro | Baro SO | 📍 851118 | Barauni | Post Office - PO |
| 524 | Mahammadpur Fata | Fateha BO | 📍 851111 | Bachhwara | Branch Post Office |
| 525 | Mahammadpur Gautam | Mirzapur Banduar SO | 📍 851129 | Matihani | Post Office - PO |
| 526 | Mahammadpur Mani | Mirzapur Banduar SO | 📍 851129 | Matihani | Post Office - PO |
| 527 | Mahammadpur Masum | Mansurchak SO | 📍 851128 | Mansurchak | Post Office - PO |
| 528 | Mahammadpur Masum | Chandaur BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 529 | Mahammadpur Raghunath | Danauli Phulwaria BO | 📍 851211 | Begusarai | Branch Post Office |
| 530 | Mahammadpur Raghunathpur | Danauli Phulwaria BO | 📍 851211 | Begusarai | Branch Post Office |
| 531 | Mahammadpur Sagar | Teghra SO | 📍 851133 | Teghra | Post Office - PO |
| 532 | Mahazi Bhawanandpur | Sahpur BO | 📍 851129 | Matihani | Branch Post Office |
| 533 | Mahendarganj | Mansurchak SO | 📍 851128 | Mansurchak | Post Office - PO |
| 534 | Maheshpur | Maheshpur BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 535 | Maheshwara | Maheswara BO | 📍 851127 | Naokothi | Branch Post Office |
| 536 | Mahindarpur | Mahendrapur BO | 📍 851129 | Matihani | Branch Post Office |
| 537 | Mahindarpur Barari | Mahendrapur BO | 📍 851129 | Matihani | Branch Post Office |
| 538 | Mahisaha | Aijani BO | 📍 848204 | Chhorahi | Branch Post Office |
| 539 | Mahmilapur | Chirainyatol BO | 📍 851111 | Bachhwara | Branch Post Office |
| 540 | Mahna | Mahna SO | 📍 851210 | Barauni | Post Office - PO |
| 541 | Maida Babhangawan | M.Babhangama BO | 📍 851112 | Barauni | Branch Post Office |
| 542 | Majahidpur | Banwaripur BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 543 | Majahidpur | Chandaur BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 544 | Majhanpur | Rahatpur BO | 📍 851211 | Balia | Branch Post Office |
| 545 | Majhaul | Manjhaul SO | 📍 851127 | Cheria Bariarpur | Post Office - PO |
| 546 | Majhwaria | Chhourahi BO | 📍 848202 | Chhorahi | Branch Post Office |
| 547 | Makardahi | Keshave BO | 📍 851134 | Barauni | Branch Post Office |
| 548 | Makaspur | Kabia BO | 📍 851133 | Bhagwanpur | Branch Post Office |
| 549 | Makaspur | Sadanandpur BO | 📍 851211 | Balia | Branch Post Office |
| 550 | Makha Chak | Sakarpura SO | 📍 848203 | Bakhri | Post Office - PO |