| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1601 | Kaithaulia | Maniarpur BO | 📍 844504 | Bidupur | Branch Post Office |
| 1602 | Kajri Buzurg | Kazari Buzurg BO | 📍 844507 | Jandaha | Branch Post Office |
| 1603 | Kajri Khurd | Kazari Buzurg BO | 📍 844507 | Chehra Kalan | Branch Post Office |
| 1604 | Kajri Khurd | Mahnar Road Rs SO | 📍 844507 | Mahnar | Post Office - PO |
| 1605 | Kajribujurg | Mahnar Road Rs SO | 📍 844507 | Mahnar | Post Office - PO |
| 1606 | Kalapahar | Jhandaha SO | 📍 844505 | Jandaha | Post Office - PO |
| 1607 | Kalapahar | Kalapahar BO | 📍 844505 | Jandaha | Branch Post Office |
| 1608 | Kalesar | Prataptand SO | 📍 844123 | Bhagwanpur | Post Office - PO |
| 1609 | Kaley Tand | Prataptand SO | 📍 844123 | Bhagwanpur | Post Office - PO |
| 1610 | Kali Asthan | Inayatpur BO | 📍 844506 | Mahnar | Branch Post Office |
| 1611 | Kali Asthan | Mahnar SO | 📍 844506 | Mahnar | Post Office - PO |
| 1612 | Kali Tanr | Sahtha BO | 📍 844123 | Bhagwanpur | Branch Post Office |
| 1613 | Kalyanpur | Aniruddha Belsar SO | 📍 844111 | Paterhi Belsar | Post Office - PO |
| 1614 | Kalyanpur | Balukaram SO | 📍 844113 | Vaishali | Post Office - PO |
| 1615 | Kalyanpur | Chaksikandar SO | 📍 844115 | Bidupur | Post Office - PO |
| 1616 | Kalyanpur | Gauspur Bariarpur BO | 📍 844115 | Goraul | Branch Post Office |
| 1617 | Kalyanpur | Kalyanpur BO | 📍 844115 | Bidupur | Branch Post Office |
| 1618 | Kalyanpur | Dumari SO Vaishali | 📍 844116 | Raja Pakar | Post Office - PO |
| 1619 | Kalyanpur | Rampur Ratnakar BO | 📍 844116 | Raja Pakar | Branch Post Office |
| 1620 | Kalyanpur Chausiwan | Bakhari Supayan BO | 📍 844504 | Raja Pakar | Branch Post Office |
| 1621 | Kamalpur | Jalalpur BO | 📍 844121 | Lalganj | Branch Post Office |
| 1622 | Kamalpur | Lalganj Vaishali SO | 📍 844121 | Lalganj | Post Office - PO |
| 1623 | Kamalpur | Bidupur Bazar SO | 📍 844503 | Bidupur | Post Office - PO |
| 1624 | Kamalpur | Desari SO | 📍 844504 | Desri | Post Office - PO |
| 1625 | Kamalpur | Mukundpur Grahi BO | 📍 844504 | Desri | Branch Post Office |
| 1626 | Kamalpur | Mahipura BO | 📍 844505 | Jandaha | Branch Post Office |
| 1627 | Kamalpur Singhia | Chakgarho Daudnagar BO | 📍 844503 | Bidupur | Branch Post Office |
| 1628 | Kamalpura | Goraul SO | 📍 844118 | Goraul | Post Office - PO |
| 1629 | Kamalpura Urf Rasulpur Patti | Baksama BO | 📍 844122 | Chehra Kalan | Branch Post Office |
| 1630 | Kamman Chhapra | Vaishali SO | 📍 844128 | Vaishali | Post Office - PO |
| 1631 | Kamtaulia | Balukaram SO | 📍 844113 | Vaishali | Post Office - PO |
| 1632 | Kanchanpur | Hajipur IndArea SO | 📍 844102 | Hajipur | Post Office - PO |
| 1633 | Kanchanpur | Rajasan BO | 📍 844102 | Bidupur | Branch Post Office |
| 1634 | Kanchanpur | Ghataro SO | 📍 844119 | Lalganj | Post Office - PO |
| 1635 | Kanhai Mal | Hajipur HO | 📍 844101 | Hajipur | Head Post Office - H |
| 1636 | KANHAULI | Kanhauli BO | 📍 844122 | Mahua | Branch Post Office |
| 1637 | KANHAULI | Mahuwa SO | 📍 844122 | Mahua | Post Office - PO |
| 1638 | Kanhauli Bishunpur Parsi | Kanhauli BO | 📍 844122 | Goraul | Branch Post Office |
| 1639 | Kanhauli Dhanraj | Kanhauli BO | 📍 844122 | Goraul | Branch Post Office |
| 1640 | KANHAULI DHANRAJ | Mahuwa SO | 📍 844122 | Mahua | Post Office - PO |
| 1641 | KANHAULI MANSINGHPUR | Kanhauli BO | 📍 844122 | Mahua | Branch Post Office |
| 1642 | KANHAULI MANSINGHPUR | Mahuwa SO | 📍 844122 | Mahua | Post Office - PO |
| 1643 | Kansara | Bidupur Rs SO | 📍 844502 | Raja Pakar | Post Office - PO |
| 1644 | Kansara | Bishanpur Titara BO | 📍 844502 | Hajipur | Branch Post Office |
| 1645 | Kanti | Prataptand SO | 📍 844123 | Bhagwanpur | Post Office - PO |
| 1646 | Kanti | Rikhar BO | 📍 844123 | Lalganj | Branch Post Office |
| 1647 | Kapsara | Kumar Bajitpur SO | 📍 843110 | Patepur | Post Office - PO |
| 1648 | Kapsara | Marai BO | 📍 844501 | Patepur | Branch Post Office |
| 1649 | Karanpur | Jadhua BO | 📍 844102 | Hajipur | Branch Post Office |
| 1650 | Karanpura | Dumari SO Vaishali | 📍 844116 | Raja Pakar | Post Office - PO |