| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 351 | Pachrasi | Laua Lagam BO | 📍 852213 | Chausa | Branch Post Office |
| 352 | Pachrasi Amanat Sarkar | Laua Lagam BO | 📍 852213 | Chausa | Branch Post Office |
| 353 | Pahari Subedar Jagir | Paina BO | 📍 852213 | Chausa | Branch Post Office |
| 354 | Paina | Paina BO | 📍 852213 | Chausa | Branch Post Office |
| 355 | Pakilpar | Sahuria BO | 📍 852122 | Murliganj | Branch Post Office |
| 356 | Pandukia Milik | Gwalpara SO | 📍 852115 | Gwalpara | Post Office - PO |
| 357 | Parail | Kunjouri BO | 📍 852219 | Alamnagar | Branch Post Office |
| 358 | Paran Singh Jamadar Jagir | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |
| 359 | Pararia | Pararia BO | 📍 852101 | Bihariganj | Branch Post Office |
| 360 | Pararia | Gorela BO | 📍 852113 | Madhepura | Branch Post Office |
| 361 | Pariharpur | Laxmipur Lalchand BO | 📍 852101 | Kishanganj | Branch Post Office |
| 362 | Parmanandpur | Parmanandpur BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 363 | Parmanandpur Chakla | Parmanandpur BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 364 | Parmanandpur Milik | Parmanandpur BO | 📍 852112 | Murliganj | Branch Post Office |
| 365 | Parmanpur | Parmanandpur BO | 📍 852112 | Murliganj | Branch Post Office |
| 366 | Parsaha | Temabhelwa BO | 📍 852115 | Gwalpara | Branch Post Office |
| 367 | Parsi | Chatra BO | 📍 852115 | Gwalpara | Branch Post Office |
| 368 | Parwa | Parwa BO | 📍 852122 | Murliganj | Branch Post Office |
| 369 | Parwaha | Amha BO | 📍 852108 | Gamharia | Branch Post Office |
| 370 | Pathraha | Ghailar BO | 📍 852124 | Ghailarh | Branch Post Office |
| 371 | Patori | Patori BO | 📍 852128 | Singheshwar | Branch Post Office |
| 372 | Phanhan | R.Barateni BO | 📍 852220 | Kishanganj | Branch Post Office |
| 373 | Phulaut | Phulaut BO | 📍 852219 | Chausa | Branch Post Office |
| 374 | Phulaut Englis | Phulaut BO | 📍 852219 | Alamnagar | Branch Post Office |
| 375 | Piprahi Chakla | Piprahi BO | 📍 852128 | Ghailarh | Branch Post Office |
| 376 | Piprahi Part in Gamharia | Piprahi BO | 📍 852128 | Singheshwar | Branch Post Office |
| 377 | Piprahi Part in Singheshwar | Piprahi BO | 📍 852128 | Gamharia | Branch Post Office |
| 378 | Pirnagar | Peernagar BO | 📍 852115 | Gwalpara | Branch Post Office |
| 379 | Pithahi | Mathahi SO | 📍 852121 | Madhepura | Post Office - PO |
| 380 | Pokhram | Pokhram BO | 📍 852114 | Murliganj | Branch Post Office |
| 381 | Pokhram Milik | Pokhram BO | 📍 852114 | Murliganj | Branch Post Office |
| 382 | Puraini | Puraini BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 383 | Puraini | Akbarpur BO | 📍 852116 | Puraini | Branch Post Office |
| 384 | Puraini | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |
| 385 | Puraini Bansgopal | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |
| 386 | Puraini Milik | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |
| 387 | Purainikararia Chakla | Puraini BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 388 | Purani | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |
| 389 | Raghunathpur | Rampur BO | 📍 852122 | Murliganj | Branch Post Office |
| 390 | Raghunathpur Pakaria | Udakishunganj SO | 📍 852220 | Kishanganj | Post Office - PO |
| 391 | Rahijagatpur | Laxmipur Lalchand BO | 📍 852101 | Bihariganj | Branch Post Office |
| 392 | Rahta | Rahta BO | 📍 852122 | Kumarkhand | Branch Post Office |
| 393 | Rahta Chakla | Rahta BO | 📍 852122 | Kumarkhand | Branch Post Office |
| 394 | Raibhir | Raibhir BO | 📍 852128 | Shankarpur | Branch Post Office |
| 395 | Raibhira | Udakishunganj SO | 📍 852220 | Kishanganj | Post Office - PO |
| 396 | Rajganj | Behariganj SO | 📍 852101 | Bihariganj | Post Office - PO |
| 397 | Rajni | Rajni BO | 📍 852101 | Murliganj | Branch Post Office |
| 398 | Rajnigot Milik | Rajni BO | 📍 852101 | Murliganj | Branch Post Office |
| 399 | Rajpur Sarsandi | Chatra BO | 📍 852115 | Gwalpara | Branch Post Office |
| 400 | Rakhia Patti | Chatra BO | 📍 852115 | Gwalpara | Branch Post Office |