| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 701 | Madhopur | Sankorthu BO | 📍 847424 | Pandaul | Branch Post Office |
| 702 | Madhpur | Kamtaul SO | 📍 847304 | Bisfi | Post Office - PO |
| 703 | Madhu Dih | Sahar SO Madhubani | 📍 847308 | Madhwapur | Post Office - PO |
| 704 | Madhu Sagram | Rahua Sangram BO | 📍 847408 | Madhepur | Branch Post Office |
| 705 | Madhubani | Madhubani HO | 📍 847211 | Madhubani | Head Post Office - H |
| 706 | Madhubani Tol | Shibipatti BO | 📍 847215 | Rajnagar | Branch Post Office |
| 707 | Madhwapur | Shyamsidhap BO | 📍 847235 | Babubarhi | Branch Post Office |
| 708 | Madhwapur | Madhwapur SO | 📍 847305 | Madhwapur | Post Office - PO |
| 709 | madhwarpur | Madhwapur SO | 📍 847305 | Benipatti | Post Office - PO |
| 710 | Madna | Laxmipur BO | 📍 847228 | Khajauli | Branch Post Office |
| 711 | Madna | Madna BO | 📍 847401 | Andhratharhi | Branch Post Office |
| 712 | Madna S.O | Madna S.O | 📍 847412 | Madhubani | Sub Post Office |
| 713 | Mafi Mahuahi | Mauahi BO | 📍 847224 | Babubarhi | Branch Post Office |
| 714 | Magarpatti | Pilakhwar BO | 📍 847214 | Rajnagar | Branch Post Office |
| 715 | Mahadeomath | Mahadev Math BO | 📍 847452 | Laukahi | Branch Post Office |
| 716 | Mahadeopatti | Basopatti SO | 📍 847225 | Harlakhi | Post Office - PO |
| 717 | Mahadewa | Kariot BO | 📍 847108 | Laukahi | Branch Post Office |
| 718 | Mahadewa | Brahmpur BO | 📍 847409 | Ghoghardiha | Branch Post Office |
| 719 | Mahamadpur | Biratpur Birauli BO | 📍 847223 | Benipatti | Branch Post Office |
| 720 | Mahasingh Hasauli | Bhith Bhagwanpur BO | 📍 847408 | Madhepur | Branch Post Office |
| 721 | Mahatha Chauri | Bardaha BO | 📍 847401 | Babubarhi | Branch Post Office |
| 722 | Mahathour | Mahthour BO | 📍 847409 | Phulparas | Branch Post Office |
| 723 | Mahdewa | Kariot BO | 📍 847108 | Laukahi | Branch Post Office |
| 724 | Maheshwara | Maheaswara BO | 📍 847228 | Babubarhi | Branch Post Office |
| 725 | Mahespura | Simra BO | 📍 847404 | Jhanjharpur | Branch Post Office |
| 726 | Mahinathpur | Ramnipatti BO | 📍 847224 | Rajnagar | Branch Post Office |
| 727 | Mahinathpur | Dubahi Mahinathpur BO | 📍 847225 | Basopatti | Branch Post Office |
| 728 | Mahinathpur | Mehath BO | 📍 847404 | Jhanjharpur | Branch Post Office |
| 729 | Mahindwar | Mahindwar Navtoli BO | 📍 847109 | Phulparas | Branch Post Office |
| 730 | Mahisan | Madhepur SO | 📍 847408 | Madhepur | Post Office - PO |
| 731 | Mahpatia | Mahpatia BO | 📍 847408 | Madhepur | Branch Post Office |
| 732 | Mahrail | Mahrail BO | 📍 847404 | Andhratharhi | Branch Post Office |
| 733 | Mahrajpur | Chatra BO | 📍 847228 | Khajauli | Branch Post Office |
| 734 | Mahsa | Mahpatia BO | 📍 847408 | Madhepur | Branch Post Office |
| 735 | Mahtha | Mahtha BO | 📍 847232 | Ladania | Branch Post Office |
| 736 | Mahthour Got | Kukurdaura BO | 📍 847108 | Laukahi | Branch Post Office |
| 737 | Mahthoura | Narahiya SO | 📍 847108 | Laukahi | Post Office - PO |
| 738 | Mahua | Nagwas BO | 📍 847222 | Benipatti | Branch Post Office |
| 739 | Mahua | Mahtha BO | 📍 847232 | Ladania | Branch Post Office |
| 740 | Mahua | Sahar SO Madhubani | 📍 847308 | Madhwapur | Post Office - PO |
| 741 | Mahua Ekdara | Mahua Ekdara BO | 📍 847228 | Khajauli | Branch Post Office |
| 742 | Mahuahi | Mauahi BO | 📍 847224 | Babubarhi | Branch Post Office |
| 743 | Mahuahi | Bhatsimar BO | 📍 847235 | Rajnagar | Branch Post Office |
| 744 | Maibi | Kachhua BO | 📍 847410 | Lakhnaur | Branch Post Office |
| 745 | Mailam | Mailam BO | 📍 847235 | Andhratharhi | Branch Post Office |
| 746 | Mailchham | Choramahrail BO | 📍 847404 | Jhanjharpur | Branch Post Office |
| 747 | Maina | Maina Sukki BO | 📍 847228 | Khajauli | Branch Post Office |
| 748 | Mainaha | Bathnaha BO | 📍 847227 | Phulparas | Branch Post Office |
| 749 | Mainahi | Amahi BO | 📍 847402 | Ghoghardiha | Branch Post Office |
| 750 | Mainahi | Basipatti BO | 📍 847408 | Madhepur | Branch Post Office |