| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 51 | Arrah | Arrah HO | 📍 802301 | Arrah | Head Post Office - H |
| 52 | Arrah | Arrah Kutchey SO | 📍 802301 | Arrah | Post Office - PO |
| 53 | Arrah | Maharaja College SO | 📍 802301 | Arrah | Post Office - PO |
| 54 | Arrah | Pakari SO | 📍 802301 | Arrah | Post Office - PO |
| 55 | Arrah | Sheoganj SO Bhojpur | 📍 802301 | Arrah | Post Office - PO |
| 56 | Arrah | Waliganj BO | 📍 802301 | Arrah | Branch Post Office |
| 57 | Arrah | Shahbad Distt.Board Ara SO | 📍 802301 | Arrah | Post Office - PO |
| 58 | Arrah | H.D.Jain College SO | 📍 802301 | Arrah | Post Office - PO |
| 59 | Arrah | Anaith SO | 📍 802302 | Arrah | Post Office - PO |
| 60 | Asni | Ashni Jaitpur BO | 📍 802210 | Udwant Nagar | Branch Post Office |
| 61 | Asodhan | Bahuara BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 62 | Asodhar | Bahuara BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 63 | Athpa | Kolodihri BO | 📍 802222 | Sahar | Branch Post Office |
| 64 | Azam Nagar | Bagwan BO | 📍 802203 | Garhani | Branch Post Office |
| 65 | Babhangawan | Gunari SO | 📍 802313 | Barhara | Post Office - PO |
| 66 | Babhnauli | Manikpur BO | 📍 802163 | Koilwar | Branch Post Office |
| 67 | Babhnauli | Chandawa SO | 📍 802312 | Arrah | Post Office - PO |
| 68 | Babhniyawan | Babhaniaon BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 69 | Babu bandh | Bagen BO | 📍 802134 | Charpokhari | Branch Post Office |
| 70 | Babura | Babura BO | 📍 802163 | Barhara | Branch Post Office |
| 71 | Bachri | Dalippur SO Bhojpur | 📍 802155 | Jagdishpur | Post Office - PO |
| 72 | Bachri | Bachari BO | 📍 802207 | Piro | Branch Post Office |
| 73 | Baga | Baga BO | 📍 802164 | Sandesh | Branch Post Office |
| 74 | Bagahi | Majhiaon BO | 📍 802223 | Charpokhari | Branch Post Office |
| 75 | Bagahin | Gaudarh Rudranagar SO | 📍 802183 | Behea | Post Office - PO |
| 76 | Bagar | Bagar BO | 📍 802222 | Tarari | Branch Post Office |
| 77 | Bagaunti | Purahra BO | 📍 802222 | Sahar | Branch Post Office |
| 78 | Baghakol | Salempur BO | 📍 802351 | Arrah | Branch Post Office |
| 79 | Baghaunr | Agiaon Bazar SO | 📍 802202 | Piro | Post Office - PO |
| 80 | Baghi | Baghi BO | 📍 802201 | Agiaon | Branch Post Office |
| 81 | Baghipakar | Mainpura BO | 📍 802156 | Arrah | Branch Post Office |
| 82 | Baghsanda | Dumaria BO | 📍 802207 | Tarari | Branch Post Office |
| 83 | Bagu sara | Siyadih BO | 📍 802223 | Charpokhari | Branch Post Office |
| 84 | Bagwa | Bagwan BO | 📍 802203 | Garhani | Branch Post Office |
| 85 | Bahadurpur | Bagwan BO | 📍 802203 | Garhani | Branch Post Office |
| 86 | Bahadurpur | Moapkalan BO | 📍 802222 | Tarari | Branch Post Office |
| 87 | Baharwar | Bharauli BO | 📍 802165 | Shahpur | Branch Post Office |
| 88 | Bahira Chak | Mahuli BO | 📍 802312 | Arrah | Branch Post Office |
| 89 | Bahiyara | Narhi Chandi SO | 📍 802161 | Koilwar | Post Office - PO |
| 90 | Bahoranpur Bazar Ditto | Bahoranpur BO | 📍 802166 | Shahpur | Branch Post Office |
| 91 | Bahoranpur Dakhinwar | Bahoranpur BO | 📍 802166 | Shahpur | Branch Post Office |
| 92 | Bahoranpur Diara Ditto | Bahoranpur BO | 📍 802166 | Shahpur | Branch Post Office |
| 93 | Bahri | Balbandh BO | 📍 802203 | Garhani | Branch Post Office |
| 94 | Bahri Mahadeo | Barauli BO | 📍 802207 | Piro | Branch Post Office |
| 95 | Bahuara | Dhanchhuhan BO | 📍 802208 | Sahar | Branch Post Office |
| 96 | Bahuwara | Bahuara BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 97 | Bairahi | Bairahi BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 98 | Bairampur | Basantpur BO | 📍 802156 | Arrah | Branch Post Office |
| 99 | Baisa Dih | Baisadih BO | 📍 802207 | Piro | Branch Post Office |
| 100 | Bajen | Chandi BO | 📍 802223 | Charpokhari | Branch Post Office |