| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 2001 | Pateji | Khujhwa SO | 📍 841502 | Andar | Post Office - PO |
| 2002 | Pateji Bahadur | Khujhwa SO | 📍 841502 | Andar | Post Office - PO |
| 2003 | Paterha | Balhu BO | 📍 841234 | Darauli | Branch Post Office |
| 2004 | Paterha | Paterha BO | 📍 841242 | Maharajganj | Branch Post Office |
| 2005 | Pathan Tola | Telkathu BO | 📍 841286 | Hasanpura | Branch Post Office |
| 2006 | Pathardei | Zeradei SO | 📍 841245 | Ziradei | Post Office - PO |
| 2007 | Pathkhauli | Gauri BO | 📍 841234 | Darauli | Branch Post Office |
| 2008 | Pathkhauli | Punak BO | 📍 841239 | Darauli | Branch Post Office |
| 2009 | Pati | Noniapatti BO | 📍 841210 | Siswan | Branch Post Office |
| 2010 | Pati | Kaladumra BO | 📍 841439 | Goriakothi | Branch Post Office |
| 2011 | Patiaon | Nadiwan BO | 📍 841231 | Raghunathpur | Branch Post Office |
| 2012 | Patiaon Gopi | Nand Pur Amwari BO | 📍 841231 | Raghunathpur | Branch Post Office |
| 2013 | Patkhauli | Punak BO | 📍 841239 | Darauli | Branch Post Office |
| 2014 | Patkhauli | Kabirpur BO | 📍 841243 | Mairwa | Branch Post Office |
| 2015 | Patrehi | Paterhi SO | 📍 841242 | Maharajganj | Post Office - PO |
| 2016 | Patti Bhalua | Barhria SO | 📍 841232 | Barharia | Post Office - PO |
| 2017 | Patti Bhalua | Bhluwa BO | 📍 841404 | Barharia | Post Office - PO |
| 2018 | patukia tola | Seotapur BO | 📍 841239 | Mairwa | Branch Post Office |
| 2019 | Patuwa Buzurg | Lebhri BO | 📍 841239 | Mairwa | Branch Post Office |
| 2020 | Patwa Tola | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 2021 | Patwa Toli | Siwan HO | 📍 841226 | Siwan | Head Post Office - H |
| 2022 | Pawat | Sonbarsa BO | 📍 841241 | Daraundha | Branch Post Office |
| 2023 | Pengwara | Sarauti BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 2024 | Phakrudin Pur Ke Tola Dindayalpur | Dindayalpur BO | 📍 841506 | Barharia | Branch Post Office |
| 2025 | Phaldudiya | Sahuli BO | 📍 841286 | Hasanpura | Branch Post Office |
| 2026 | Phalpura | Gaighat BO | 📍 841231 | Hasanpura | Branch Post Office |
| 2027 | Phalpura | Rasulpur Tilouta BO | 📍 841233 | Daraundha | Branch Post Office |
| 2028 | Phalpura | Nainpura BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 2029 | Phalpura | Sonbarsa BO | 📍 841241 | Maharajganj | Branch Post Office |
| 2030 | Pharchhua | Bishunpura Bazar BO | 📍 841239 | Mairwa | Branch Post Office |
| 2031 | Pharchhuhi | Akolhi BO | 📍 841239 | Mairwa | Branch Post Office |
| 2032 | Phatepur | Siwan HO | 📍 841226 | Siwan | Head Post Office - H |
| 2033 | Phulwaria | Dhanuti BO | 📍 841226 | Siwan | Branch Post Office |
| 2034 | Phulwaria | Makariyar BO | 📍 841245 | Ziradei | Branch Post Office |
| 2035 | Phulwaria | Karsar BO | 📍 841504 | Raghunathpur | Branch Post Office |
| 2036 | Piaur | Gaighat BO | 📍 841231 | Hasanpura | Branch Post Office |
| 2037 | Pihuli | Pihuli BO | 📍 841287 | Darauli | Branch Post Office |
| 2038 | Piparahiya | Piprahiya BO | 📍 841245 | Ziradei | Branch Post Office |
| 2039 | Piparpanti | Talli BO | 📍 841239 | Guthani | Branch Post Office |
| 2040 | Pipra | Dighwalia BO | 📍 841203 | Siswan | Branch Post Office |
| 2041 | Pipra | Kherai BO | 📍 841231 | Andar | Branch Post Office |
| 2042 | Pipra | Daronda SO | 📍 841233 | Daraundha | Post Office - PO |
| 2043 | Pipra | Punak BO | 📍 841239 | Darauli | Branch Post Office |
| 2044 | Pipra | Chandparsa BO | 📍 841240 | Hasanpura | Branch Post Office |
| 2045 | Pipra | Nautan BO | 📍 841243 | Nautan | Branch Post Office |
| 2046 | Pipra | Pipra BO | 📍 841244 | Maharajganj | Branch Post Office |
| 2047 | Pipra | Chainpur BO | 📍 841439 | Goriakothi | Branch Post Office |
| 2048 | Pipra | Mustfabad SO | 📍 841439 | Goriakothi | Post Office - PO |
| 2049 | Pipra | Pipra Naryan BO | 📍 841506 | Pachrukhi | Branch Post Office |
| 2050 | Pipra Kalan | Pipra BO | 📍 841244 | Maharajganj | Branch Post Office |