| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 251 | Lai | Lai BO | 📍 811309 | Surajgarha | Branch Post Office |
| 252 | Lakhisarai | C.R.Lakhisarai BO | 📍 811201 | Lakhisarai | Post Office - PO |
| 253 | Lakhisarai | Kajra SO | 📍 811309 | Lakhisarai | Post Office - PO |
| 254 | Lakhisarai | Lakhisarai Court SO | 📍 811311 | Lakhisarai | Post Office - PO |
| 255 | Lakhisarai | Lakhisarai SO | 📍 811311 | Lakhisarai | Post Office - PO |
| 256 | Lakhisarai | P.B.Lakhisarai SO | 📍 811311 | Lakhisarai | Branch Post Office |
| 257 | Lakho Chak | Bichhwey BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 258 | Lalpur | Tarhari BO | 📍 811315 | Halsi | Branch Post Office |
| 259 | Lodia Bhagalpur | Damodar Pur BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 260 | Lodia Bihar | Damodar Pur BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 261 | Lodia English | Damodar Pur BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 262 | Losghani | Loshghani BO | 📍 811112 | Surajgarha | Branch Post Office |
| 263 | Madhopur | Kajra SO | 📍 811309 | Surajgarha | Post Office - PO |
| 264 | Maghar | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 265 | Maha | Abhaypur BO | 📍 811112 | Surajgarha | Branch Post Office |
| 266 | Mahadeo Nagar | Pacham BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 267 | Maharath | Tarhari BO | 📍 811315 | Halsi | Branch Post Office |
| 268 | Maharathpur | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 269 | Maheshpur | Piri Bazar SO | 📍 811112 | Surajgarha | Post Office - PO |
| 270 | Maheshpur | Janki Dih Beldaria BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 271 | Mahesleta | Bichhwey BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 272 | Mahram Chak | Birupur BO | 📍 811302 | Barahiya | Branch Post Office |
| 273 | Mahsauna | Mahisona BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 274 | Mahsauni | Kajra SO | 📍 811309 | Halsi | Post Office - PO |
| 275 | Mahsaunni | Kajra SO | 📍 811309 | Surajgarha | Post Office - PO |
| 276 | Mahsaura | R Mahsaura BO | 📍 811107 | Ramgarh Chowk | Branch Post Office |
| 277 | Mahudi | Ghonghsa BO | 📍 811315 | Halsi | Branch Post Office |
| 278 | Mahulia | Sangrampur BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 279 | Majhiawan | Lai BO | 📍 811309 | Surajgarha | Branch Post Office |
| 280 | Makhdumpur | Mankattha BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 281 | Makhsupur | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 282 | Makhsuspur | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 283 | Malia | Malia BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 284 | Malpur | Pipariya BO | 📍 811302 | Barahiya | Branch Post Office |
| 285 | Mananpur | Mananpur BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 286 | Mananpur | Kiul-rs SO | 📍 811310 | Surajgarha | Branch Post Office |
| 287 | Manikpur | Dighari BO | 📍 811106 | Surajgarha | Branch Post Office |
| 288 | Manikpur | Ghonghsa BO | 📍 811315 | Halsi | Branch Post Office |
| 289 | Mankattha | Mankattha BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 290 | Mano | Mano BO | 📍 811310 | Surajgarha | Branch Post Office |
| 291 | Manoharpur | Sadaibigha BO | 📍 811302 | Barahiya | Branch Post Office |
| 292 | Manpur | Malia BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 293 | Manpur | Baghaur BO | 📍 811311 | Halsi | Branch Post Office |
| 294 | Manu Chak | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 295 | Marde Chak | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 296 | Maskan | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 297 | Masudan | Abhaypur BO | 📍 811112 | Surajgarha | Branch Post Office |
| 298 | Matasi | Matashi BO | 📍 811315 | Halsi | Branch Post Office |
| 299 | Mathar | Kiul-rs SO | 📍 811310 | Pipariya | Branch Post Office |
| 300 | Milik | Mustafapur BO | 📍 811106 | Surajgarha | Branch Post Office |