| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 301 | Makhdampur Dhapdhara | Makdampur BO | 📍 852213 | Puraini | Branch Post Office |
| 302 | Mangarwara | Mangarwara BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 303 | Mangarwara Milik | Mangarwara BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 304 | Mangarwarakhas Mahal | Mangarwara BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 305 | Manikpur | Manikpur BO | 📍 852113 | Madhepura | Branch Post Office |
| 306 | Manpur | Manpur BO | 📍 852128 | Singheshwar | Branch Post Office |
| 307 | Manullah Subedar Jagir | Paina BO | 📍 852213 | Chausa | Branch Post Office |
| 308 | Matiahi | Mathahi SO | 📍 852121 | Madhepura | Post Office - PO |
| 309 | Matiahi | S.Simraha BO | 📍 852121 | Madhepura | Branch Post Office |
| 310 | Maura | Maoura Ramnagar BO | 📍 852132 | Shankarpur | Branch Post Office |
| 311 | Mirganj | Murliganj SO | 📍 852122 | Murliganj | Post Office - PO |
| 312 | Mohamad Hanif Kumedan Jagir | Paina BO | 📍 852213 | Chausa | Branch Post Office |
| 313 | Mohammad Danish Englis | Puraini Bazar SO | 📍 852116 | Kishanganj | Post Office - PO |
| 314 | Mohammad Heat Kumedan Jagir | Paina BO | 📍 852213 | Chausa | Branch Post Office |
| 315 | Mohammad Jafar Subedar Jagir | Paina BO | 📍 852213 | Chausa | Branch Post Office |
| 316 | Mohammadpur | Mohamadpur BO | 📍 852115 | Gwalpara | Branch Post Office |
| 317 | Mohammadpur Balia | Naya Tola BO | 📍 852116 | Puraini | Branch Post Office |
| 318 | Mohanpur Chaumukh | Mohanpur Choumukh BO | 📍 852101 | Bihariganj | Branch Post Office |
| 319 | Mohanpur Nisf | Mohanpur Choumukh BO | 📍 852101 | Bihariganj | Branch Post Office |
| 320 | Mohiuddinpur | Mahmooda BO | 📍 852219 | Alamnagar | Branch Post Office |
| 321 | Morsanda | Morsanda BO | 📍 852219 | Chausa | Branch Post Office |
| 322 | Mozaffarpur | Shah Alam Nagar SO | 📍 852219 | Alamnagar | Post Office - PO |
| 323 | Mudwala | Murho BO | 📍 852114 | Madhepura | Branch Post Office |
| 324 | Muraut | Muraut BO | 📍 852219 | Alamnagar | Branch Post Office |
| 325 | Murhdokheraj | Murho BO | 📍 852114 | Madhepura | Branch Post Office |
| 326 | Murho | Murho BO | 📍 852114 | Madhepura | Branch Post Office |
| 327 | Murli Chandwa | Murli Chandwa BO | 📍 852220 | Kishanganj | Branch Post Office |
| 328 | Murliganj | Amarpura BO | 📍 852122 | Murliganj | Branch Post Office |
| 329 | Murliganj | Bhangha Chandpur BO | 📍 852122 | Murliganj | Branch Post Office |
| 330 | Murliganj | Hareshwari Dighi BO | 📍 852122 | Murliganj | Branch Post Office |
| 331 | Murliganj | Mirchaibari BO | 📍 852122 | Murliganj | Branch Post Office |
| 332 | Murliganj | Murliganj Bazar BO | 📍 852122 | Murliganj | Branch Post Office |
| 333 | Murliganj | Murliganj SO | 📍 852122 | Murliganj | Post Office - PO |
| 334 | Murliganj | Naulakhi BO | 📍 852122 | Murliganj | Branch Post Office |
| 335 | Murliganj | Raghunath Pur BO | 📍 852122 | Murliganj | Branch Post Office |
| 336 | Murliganj | Ratanpatti BO | 📍 852122 | Murliganj | Branch Post Office |
| 337 | Murliganj | Sahuria BO | 📍 852122 | Murliganj | Branch Post Office |
| 338 | MURLIGANJ TOLA | Murliganj Tola BO | 📍 852122 | Murliganj | Branch Post Office |
| 339 | Mwghu Singh Hawaldar Jagir | Makdampur BO | 📍 852213 | Puraini | Branch Post Office |
| 340 | Nainpatti | Parmanandpur BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 341 | Narda | Naya Tola BO | 📍 852116 | Puraini | Branch Post Office |
| 342 | Nardeh | Naya Tola BO | 📍 852116 | Puraini | Branch Post Office |
| 343 | Narha | Tamot Persa BO | 📍 852122 | Murliganj | Branch Post Office |
| 344 | Narthua Bhagipur | N. Bhagipur BO | 📍 852219 | Alamnagar | Branch Post Office |
| 345 | Nayanagar | Naya Nagar BO | 📍 852220 | Kishanganj | Branch Post Office |
| 346 | Nayanagar Arazi | Naya Nagar BO | 📍 852220 | Kishanganj | Branch Post Office |
| 347 | Nayatola urf Hamidpur | Naya Tola BO | 📍 852116 | Puraini | Branch Post Office |
| 348 | Nazar Ali Milik | Naya Tola BO | 📍 852116 | Puraini | Branch Post Office |
| 349 | Niamatullah Sipahi Jagir | Naya Tola BO | 📍 852116 | Chausa | Branch Post Office |
| 350 | Nurullapur urf Jogirar | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |