| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 501 | Inglis | Sanokhar BO | 📍 813204 | Colgong | Branch Post Office |
| 502 | Isapur | Ishapur Chorhar BO | 📍 853202 | Kharik | Branch Post Office |
| 503 | Isapur | Telghee BO | 📍 853202 | Kharik | Branch Post Office |
| 504 | Isipur | Ishipur SO | 📍 813206 | Pirpainti | Post Office - PO |
| 505 | Islampur | Mohiuddivpur BO | 📍 813105 | Jagdishpur | Branch Post Office |
| 506 | Ismail Pur | Ismailpur BO | 📍 853205 | Ismailpur | Branch Post Office |
| 507 | Ismailpur | S.T.Goriar SO | 📍 853205 | Ismailpur | Branch Post Office |
| 508 | Itauni | Barani BO | 📍 813222 | Colgong | Branch Post Office |
| 509 | Itwa | Kasimpur BO | 📍 813105 | Goradih | Branch Post Office |
| 510 | Itwa Danr | Mirjanhat SO | 📍 812005 | Jagdishpur | Post Office - PO |
| 511 | Jadu Bhalua | Sarkanda BO | 📍 813209 | Pirpainti | Branch Post Office |
| 512 | Jafra | Mahesakhore BO | 📍 813204 | Sonhaula | Branch Post Office |
| 513 | Jaganchak | Bharatkhand BO | 📍 853203 | Narayanpur | Branch Post Office |
| 514 | Jagardari | Sultanganj SO Bhagalpur | 📍 813213 | Sultanganj | Post Office - PO |
| 515 | Jagaria | Sahkund SO | 📍 813108 | Shahkund | Post Office - PO |
| 516 | Jagarnathpur | Kishandaspur BO | 📍 812006 | Shahkund | Branch Post Office |
| 517 | Jagarnathpur | Kahalgaon SO | 📍 813203 | Colgong | Post Office - PO |
| 518 | Jagarnathpur | Amdanda BO | 📍 813204 | Sonhaula | Branch Post Office |
| 519 | Jagarnathpur | Laxmipur Babhania BO | 📍 813204 | Colgong | Branch Post Office |
| 520 | Jagarnathpur | Bishanpurjicho BO | 📍 813210 | Goradih | Branch Post Office |
| 521 | Jagarnathpur | Nandlalpur BO | 📍 813222 | Colgong | Branch Post Office |
| 522 | Jagarnathpur Milik | Laxmipur Babhania BO | 📍 813204 | Colgong | Branch Post Office |
| 523 | Jagatpur | Machipur BO | 📍 813210 | Sabour | Branch Post Office |
| 524 | Jagatpur | Jagatpur BO | 📍 853204 | Naugachhia | Branch Post Office |
| 525 | Jagdish chak | Bharatkhand BO | 📍 853203 | Narayanpur | Branch Post Office |
| 526 | Jagdishpur | Adampur SO | 📍 812001 | Jagdishpur | Post Office - PO |
| 527 | Jagdishpur | Bhagalpur HO | 📍 812001 | Jagdishpur | Head Post Office - H |
| 528 | Jagdishpur | Bhagalpur City SO | 📍 812002 | Jagdishpur | Post Office - PO |
| 529 | Jagdishpur | Sujaganj Bazar SO | 📍 812002 | Jagdishpur | Post Office - PO |
| 530 | Jagdishpur | Baijani BO | 📍 812005 | Jagdishpur | Branch Post Office |
| 531 | Jagdishpur | Burhanath BO | 📍 812005 | Jagdishpur | Branch Post Office |
| 532 | Jagdishpur | S S Lane BO | 📍 812005 | Jagdishpur | Branch Post Office |
| 533 | Jagdishpur | Jagdishpur SO Bhagalpur | 📍 813105 | Jagdishpur | Post Office - PO |
| 534 | Jagdishpur | Kasimpur BO | 📍 813105 | Goradih | Branch Post Office |
| 535 | Jagdispur | Kahalgaon SO | 📍 813203 | Colgong | Post Office - PO |
| 536 | Jagesarpur | Mathurapur SO Bhagalpur | 📍 813222 | Colgong | Post Office - PO |
| 537 | Jagesarpur Arazi | Mathurapur SO Bhagalpur | 📍 813222 | Colgong | Post Office - PO |
| 538 | Jagesarpur Inglis | Mathurapur SO Bhagalpur | 📍 813222 | Colgong | Post Office - PO |
| 539 | Jahanatikar | Nandlalpur BO | 📍 813222 | Colgong | Branch Post Office |
| 540 | Jahangira | Jahagira BO | 📍 813213 | Sultanganj | Branch Post Office |
| 541 | Jahanpur | Trimohan BO | 📍 813204 | Colgong | Branch Post Office |
| 542 | Jainabchak | Chazabargaon BO | 📍 812006 | Shahkund | Branch Post Office |
| 543 | Jaipur Chuhar | Narayanpur BO | 📍 813103 | Narayanpur | Branch Post Office |
| 544 | Jairam Bandhu | Passurampur BO | 📍 813209 | Pirpainti | Post Office - PO |
| 545 | Jairampur | Hario BO | 📍 853201 | Sultanganj | Branch Post Office |
| 546 | Jairampur Nankar | Dharampurrahi BO | 📍 853201 | Bihpur | Branch Post Office |
| 547 | Jairampur urf Lathipur | Dharampurrahi BO | 📍 853201 | Bihpur | Branch Post Office |
| 548 | Jaitipur | Khutaha BO | 📍 812005 | Nathnagar | Branch Post Office |
| 549 | Jaitipur | Karaharia BO | 📍 813201 | Sultanganj | Branch Post Office |
| 550 | Jaitipur | Rampur BO | 📍 813222 | Colgong | Branch Post Office |