| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 801 | Mukhiapatti | Sahar SO Madhubani | 📍 847308 | Madhwapur | Post Office - PO |
| 802 | Murbala | Gahuma Beria BO | 📍 847402 | Phulparas | Branch Post Office |
| 803 | Mureth | Mureth BO | 📍 847229 | Benipatti | Branch Post Office |
| 804 | Murhadi | Mauahi BO | 📍 847224 | Babubarhi | Branch Post Office |
| 805 | Murli | Murli BO | 📍 847409 | Phulparas | Branch Post Office |
| 806 | Musharnia | Suriahi Ramnagar BO | 📍 847409 | Phulparas | Branch Post Office |
| 807 | Nabnagar | Pachrukhi BO | 📍 847224 | Babubarhi | Branch Post Office |
| 808 | Nabnagar | Dumra BO | 📍 847411 | Andhratharhi | Branch Post Office |
| 809 | Nabtoli | Bhariabishanpur BO | 📍 847235 | Rajnagar | Branch Post Office |
| 810 | Nagdah Balain | Nagdah Balain BO | 📍 847222 | Benipatti | Branch Post Office |
| 811 | Nagwas | Nagwas BO | 📍 847222 | Benipatti | Branch Post Office |
| 812 | Nahar | Bhagwatipurnahar BO | 📍 847236 | Pandaul | Branch Post Office |
| 813 | Nahar Rupauli | Nahas Rupauli BO | 📍 847222 | Bisfi | Branch Post Office |
| 814 | Nahri Jagarnathpur | Rahua Sangram BO | 📍 847408 | Madhepur | Branch Post Office |
| 815 | Najira | Meghwan BO | 📍 847102 | Benipatti | Branch Post Office |
| 816 | Nakati | Nakti BO | 📍 847235 | Rajnagar | Branch Post Office |
| 817 | Nanaur | Nanaour BO | 📍 847109 | Andhratharhi | Branch Post Office |
| 818 | Nandrahi | Mirjapur BO | 📍 847232 | Ladania | Branch Post Office |
| 819 | Naokarhi | Navkarhi BO | 📍 847222 | Benipatti | Branch Post Office |
| 820 | Naraenpur | Laxamipur BO | 📍 847421 | Laukaha | Branch Post Office |
| 821 | Narahi | Karhari BO | 📍 847108 | Laukahi | Branch Post Office |
| 822 | NARAHIA | Narahiya SO | 📍 847108 | Phulparas | Post Office - PO |
| 823 | Nararh Part in Kaluahi | Narar BO | 📍 847226 | Khajauli | Branch Post Office |
| 824 | Nararh Part in Khajauli | Narar BO | 📍 847226 | Kaluahi | Branch Post Office |
| 825 | Narayanpur | Kotjia Bharam BO | 📍 847404 | Jhanjharpur | Branch Post Office |
| 826 | Nari | Laukahi BO | 📍 847108 | Laukahi | Branch Post Office |
| 827 | Narindarpur | Narendrapur BO | 📍 847452 | Laukahi | Branch Post Office |
| 828 | Narkatia | Kamalpur BO | 📍 847451 | Basopatti | Branch Post Office |
| 829 | Narpatnagar | Narpatinagar BO | 📍 847239 | Pandaul | Branch Post Office |
| 830 | Naruar | Naruar BO | 📍 847407 | Jhanjharpur | Branch Post Office |
| 831 | Nathopur | Baikabishanpur BO | 📍 847402 | Ghoghardiha | Branch Post Office |
| 832 | Nawabakhar | Hatni BO | 📍 847402 | Ghoghardiha | Branch Post Office |
| 833 | Nawada | Madhepur SO | 📍 847408 | Madhepur | Post Office - PO |
| 834 | Nawhath | Lohat SO | 📍 847231 | Pandaul | Post Office - PO |
| 835 | Nawhath | Najramahmda BO | 📍 847239 | Pandaul | Branch Post Office |
| 836 | Naya Tola | Dulha BO | 📍 847121 | Bisfi | Branch Post Office |
| 837 | Nazirpur | Nazirpur BO | 📍 847215 | Madhubani | Branch Post Office |
| 838 | Nemua | Tamuria SO | 📍 847410 | Lakhnaur | Post Office - PO |
| 839 | Neur | Neor BO | 📍 847108 | Laukahi | Branch Post Office |
| 840 | Nighma | Sarauti BO | 📍 847402 | Ghoghardiha | Branch Post Office |
| 841 | Nikta | Andhra SO | 📍 847401 | Andhratharhi | Post Office - PO |
| 842 | Nima | Keoti Ranway SO | 📍 847121 | Madhubani | Post Office - PO |
| 843 | Nirbhapur | Vijai BO | 📍 847404 | Jhanjharpur | Branch Post Office |
| 844 | Nizamat | Bhatsimar BO | 📍 847235 | Rajnagar | Branch Post Office |
| 845 | Nurchak | Noorchak BO | 📍 847122 | Bisfi | Branch Post Office |
| 846 | Ojhaul | Kathia BO | 📍 847404 | Jhanjharpur | Branch Post Office |
| 847 | Pachahi | Pachahi BO | 📍 847408 | Madhepur | Branch Post Office |
| 848 | Pacharhi | Gurmaha BO | 📍 847231 | Pandaul | Branch Post Office |
| 849 | Pachdahi | Nakti BO | 📍 847235 | Rajnagar | Branch Post Office |
| 850 | Pachhar | Nil BO | 📍 847226 | Jainagar | Branch Post Office |