| Post Office | Pin Code |
| Abarana BO Pin Code | 221404 |
| Abhiya BO Pin Code | 221404 |
| Abholi BO Pin Code | 221404 |
| Achhawar BO Pin Code | 221304 |
| Ajaipur BO Pin Code | 221406 |
| Amawa Khurd BO Pin Code | 221402 |
| Amilaur BO Pin Code | 221303 |
| Amilauri BO Pin Code | 221406 |
| Asanao Bazar BO Pin Code | 221401 |
| Aurai SO (Sant Ravidas Nagar) Pin Code | 221301 |
| Babusarai BO Pin Code | 221314 |
| Bahari BO Pin Code | 221402 |
| Bairibisa BO Pin Code | 221303 |
| Baragaon BO Pin Code | 221310 |
| Baripur BO Pin Code | 221309 |
| Bauribojh BO Pin Code | 221404 |
| Bayaon BO Pin Code | 221308 |
| Berawa Paharpur BO Pin Code | 221309 |
| Bhadohi SO Pin Code | 221401 |
| Bhagawanpur Kanhari BO Pin Code | 221402 |
| Bhanda BO Pin Code | 221404 |
| Bhawanipur BO Pin Code | 221303 |
| Bhikharirampur BO Pin Code | 221404 |
| Bhori BO Pin Code | 221404 |
| Bichhiya BO Pin Code | 221308 |
| Birampur BO Pin Code | 221308 |
| Bisauli Kripalpur BO Pin Code | 221404 |
| Chakkisundas BO Pin Code | 221304 |
| Chaksundarpur BO Pin Code | 221304 |
| Chhechhuwan BO Pin Code | 221309 |
| Darawasi BO Pin Code | 221310 |
| Darunaha BO Pin Code | 221402 |
| Dasharthpur BO Pin Code | 221304 |
| Dhantulsi BO Pin Code | 221309 |
| Dhirpur BO Pin Code | 221303 |
| Digh BO Pin Code | 221309 |
| Domanpur BO Pin Code | 221402 |
| Durgaganj BO Pin Code | 221404 |
| Dwarikapur BO Pin Code | 221314 |
| Ekauni BO Pin Code | 221404 |
| Gaura BO Pin Code | 221404 |
| Ghosiya BO Pin Code | 221301 |
| Girdbaragaon BO Pin Code | 221314 |
| Gohilaon BO Pin Code | 221402 |
| Gopiganj SO Pin Code | 221303 |
| Gyanpur SO Pin Code | 221304 |
| Hridaipur BO Pin Code | 221301 |
| Ibrhimpur Uparwar BO Pin Code | 221310 |
| Ithara BO Pin Code | 221309 |
| Jagannathpur BO Pin Code | 221303 |
| Jangiganj SO Pin Code | 221310 |
| Jhauwa BO Pin Code | 221402 |
| Kador BO Pin Code | 221404 |
| Kariyaon BO Pin Code | 221406 |
| Katra Bazar BO Pin Code | 221309 |
| Koilara BO Pin Code | 221306 |
| Koirauna SO Pin Code | 221309 |
| Kukarauthi BO Pin Code | 221409 |
| Kurauna BO Pin Code | 221301 |
| Laxamanpatti BO Pin Code | 221304 |
| Loharakhas BO Pin Code | 221303 |
| Mahrajganj SO (Sant Ravidas Nagar) Pin Code | 221314 |
| Matethu BO Pin Code | 221404 |
| Mondh SO Pin Code | 221406 |
| Munsiladpur BO Pin Code | 221401 |
| Nai Bazar SO (Sant Ravidas Nagar) Pin Code | 221409 |
| Narepar Sitamarhi BO Pin Code | 221309 |
| Nathaipur BO Pin Code | 221304 |
| Ozh SO Pin Code | 221308 |
| Palhaiya BO Pin Code | 221402 |
| Pali BO Pin Code | 221304 |
| Pargaspur BO Pin Code | 221409 |
| Parsipur SO Pin Code | 221402 |
| Patti Bejaon BO Pin Code | 221404 |
| Pipargaon BO Pin Code | 221301 |
| Pipris BO Pin Code | 221401 |
| Purani Bazar BO Pin Code | 221406 |
| Puregareria BO Pin Code | 221406 |
| Ramampur BO Pin Code | 221304 |
| Raya BO Pin Code | 221401 |
| Rohi BO Pin Code | 221308 |
| RS Dham BO Pin Code | 221303 |
| Sagarraipur BO Pin Code | 221310 |
| Sahasepur BO Pin Code | 221306 |
| Sanda BO Pin Code | 221404 |
| Sarai Kansrai BO Pin Code | 221404 |
| Sarawatkhani BO Pin Code | 221314 |
| Saripur BO Pin Code | 221314 |
| Sarroi BO Pin Code | 221401 |
| Semradh BO Pin Code | 221310 |
| Sudhwai BO Pin Code | 221308 |
| Suriyawan SO Pin Code | 221404 |
| Suryabhanpur BO Pin Code | 221310 |
| Tilanga BO Pin Code | 221303 |
| Uchetha BO Pin Code | 221401 |
| Ugapur BO Pin Code | 221301 |
| Umarha BO Pin Code | 221314 |
