| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 351 | Partappur | Dumari BO | 📍 811302 | Barahiya | Branch Post Office |
| 352 | Patharkatti | Lakhisarai SO | 📍 811311 | Lakhisarai | Post Office - PO |
| 353 | Pathua | Pipariya BO | 📍 811302 | Barahiya | Branch Post Office |
| 354 | Patner | Dihra BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 355 | Pawai | Pawai BO | 📍 811309 | Pipariya | Branch Post Office |
| 356 | Pemdiha | Halsi BO | 📍 811311 | Halsi | Branch Post Office |
| 357 | Phulaia | R Mahsaura BO | 📍 811107 | Ramgarh Chowk | Branch Post Office |
| 358 | Piparia | Pipariya BO | 📍 811302 | Barahiya | Branch Post Office |
| 359 | Pipariya | Barhiya SO | 📍 811302 | Pipariya | Post Office - PO |
| 360 | Pipra | Tarhari BO | 📍 811315 | Halsi | Branch Post Office |
| 361 | Pokhra Wan | Pokhrama BO | 📍 811309 | Surajgarha | Branch Post Office |
| 362 | Punadih | Kajra SO | 📍 811309 | Surajgarha | Post Office - PO |
| 363 | Rahatpur | Ramnagar BO | 📍 811311 | Pipariya | Branch Post Office |
| 364 | Rahua | Rehua BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 365 | Rahuatola Muriari | Rehua BO | 📍 811311 | Pipariya | Branch Post Office |
| 366 | Rai Kundi | Pacham BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 367 | Raichiahi | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 368 | Rajpur | Piri Bazar SO | 📍 811112 | Surajgarha | Post Office - PO |
| 369 | Ramal Bigha | Gopalpur BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 370 | Ramchandarpur | Ramchandrapur BO | 📍 811311 | Surajgarha | Branch Post Office |
| 371 | Ramchandrapur | Ramchandrapur BO | 📍 811311 | Pipariya | Branch Post Office |
| 372 | Ramgarh | Ramgarh BO | 📍 811311 | Ramgarh Chowk | Branch Post Office |
| 373 | Ramgarh Chowk | Parsama BO | 📍 811311 | Ramgarh Chowk | Branch Post Office |
| 374 | Rampur | Rampur BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 375 | Rampur Thana Amanat Sarkar | Rampur BO | 📍 811310 | Surajgarha | Branch Post Office |
| 376 | Rampur Thana Amanat Sarkar | Kiul-rs SO | 📍 811310 | Lakhisarai | Branch Post Office |
| 377 | Ramshir | Singhchak BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 378 | Raota | Gopalpur BO | 📍 811310 | Lakhisarai | Branch Post Office |
| 379 | Rasulpur | Baha Chowki BO | 📍 811202 | Surajgarha | Branch Post Office |
| 380 | Rata | Konag BO | 📍 811311 | Halsi | Branch Post Office |
| 381 | Ratnupur | Alinagar BO | 📍 811106 | Surajgarha | Branch Post Office |
| 382 | Ratnupur English | Alinagar BO | 📍 811106 | Surajgarha | Branch Post Office |
| 383 | Rawan Barna | Halsi BO | 📍 811311 | Halsi | Branch Post Office |
| 384 | Repura | Talsharama BO | 📍 811302 | Barahiya | Branch Post Office |
| 385 | Ris | Paharpur BO | 📍 811106 | Surajgarha | Branch Post Office |
| 386 | Rom | Halsi BO | 📍 811311 | Halsi | Branch Post Office |
| 387 | Rustampur | Barhiya SO | 📍 811302 | Barahiya | Post Office - PO |
| 388 | S Salaunja BO | S Salaunja BO | 📍 811306 | Lakhisarai | Branch Post Office |
| 389 | Sabipur | Damodar Pur BO | 📍 811311 | Lakhisarai | Branch Post Office |
| 390 | Sadai Bigha | Sadaibigha BO | 📍 811302 | Barahiya | Branch Post Office |
| 391 | Saer Bigha | Sheikhpura SO Sheikhpura | 📍 811105 | Barahiya | Post Office - PO |
| 392 | Sahmalpur | Kajra SO | 📍 811309 | Surajgarha | Post Office - PO |
| 393 | Sahroi | Lakhisarai SO | 📍 811311 | Lakhisarai | Post Office - PO |
| 394 | Sahur | Sahoor BO | 📍 811310 | Surajgarha | Branch Post Office |
| 395 | Saidpura | Alinagar BO | 📍 811106 | Pipariya | Branch Post Office |
| 396 | Saitna Salaunja | S Salaunja BO | 📍 811311 | Halsi | Branch Post Office |
| 397 | Sajhain | Birupur BO | 📍 811302 | Barahiya | Branch Post Office |
| 398 | Salarpur | Amarpur BO | 📍 811106 | Surajgarha | Branch Post Office |
| 399 | Salempur | Surajgaraha SO | 📍 811106 | Surajgarha | Post Office - PO |
| 400 | Salona Chak | Rehua BO | 📍 811311 | Lakhisarai | Branch Post Office |