| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 901 | Janipur | Sorampur BO | 📍 801505 | Phulwari | Branch Post Office |
| 902 | Janjira Diyara | Shivnar BO | 📍 803302 | Mokameh | Branch Post Office |
| 903 | Janki Tola | Maranchi BO | 📍 803301 | Mokameh | Branch Post Office |
| 904 | Janpara | Barah BO | 📍 801112 | Bikram | Branch Post Office |
| 905 | Janpur | Janpur BO | 📍 801110 | Paliganj | Branch Post Office |
| 906 | Janpuri | Bakawa BO | 📍 803306 | Pandarak | Branch Post Office |
| 907 | Jarkha | Jarkha BO | 📍 801110 | Paliganj | Branch Post Office |
| 908 | Jaunpuri | Barah BO | 📍 804453 | Punpun | Branch Post Office |
| 909 | Jawahar Tola | Maranchi BO | 📍 803301 | Mokameh | Branch Post Office |
| 910 | Jazira Mokama | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 911 | Jethuli | Kachi Dargah BO | 📍 803201 | Fatwah | Branch Post Office |
| 912 | Jinatpur | Khushrupur SO | 📍 803202 | Bakhtiarpur | Branch Post Office |
| 913 | Jitanbigha | Mobarakpur BO | 📍 803213 | Barh | Branch Post Office |
| 914 | Jithan bigha | Nayabigha BO | 📍 803211 | Belchhi | Branch Post Office |
| 915 | Jittu Chak | Dihri BO | 📍 804453 | Naubatpur | Branch Post Office |
| 916 | Jivan Chak | Top BO | 📍 801304 | Daniawan | Branch Post Office |
| 917 | Jiyai Dih | Sihi BO | 📍 801102 | Dulhin Bazar | Branch Post Office |
| 918 | Jodhan Bigha | Pirbarhauna BO | 📍 801305 | Daniawan | Branch Post Office |
| 919 | Jodhan Bigha | Jodhan Bigha BO | 📍 803110 | Belchhi | Branch Post Office |
| 920 | Jodhanbigha | Jodhan Bigha BO | 📍 803110 | Belchhi | Branch Post Office |
| 921 | Jol Bigha | Basuhar BO | 📍 804453 | Punpun | Branch Post Office |
| 922 | Jujharpur | Nadghat BO | 📍 800007 | Sampatchak | Branch Post Office |
| 923 | K Pur Chouk | Kanhaipur BO | 📍 803221 | Mokameh | Branch Post Office |
| 924 | Kab | Kab BO | 📍 801104 | Dulhin Bazar | Branch Post Office |
| 925 | Kabbo Chak | Fatwa S.O | 📍 803201 | Daniawan | Post Office - PO |
| 926 | Kabir Chak | Ekdanga BO | 📍 803213 | Belchhi | Branch Post Office |
| 927 | Kachara Mohalla | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 928 | Kadehra | Berra BO | 📍 804454 | Masaurhi | Branch Post Office |
| 929 | Kafarpur | Madhopur BO | 📍 801108 | Dinapur-Cum-Khagaul | Branch Post Office |
| 930 | Kahar Toli | Kanhaipur BO | 📍 803221 | Mokameh | Branch Post Office |
| 931 | Kaili | Nawasichak BO | 📍 804451 | Dhanarua | Branch Post Office |
| 932 | Kaima | Darveshpur BO | 📍 803213 | Belchhi | Branch Post Office |
| 933 | Kaimadih Sarshikan | Darveshpur BO | 📍 803213 | Belchhi | Branch Post Office |
| 934 | Kala Diara | Kala Diara BO | 📍 803202 | Bakhtiarpur | Branch Post Office |
| 935 | Kalapur | Sarasat BO | 📍 801109 | Naubatpur | Branch Post Office |
| 936 | Kalhe Kurha | Khanpura BO | 📍 801110 | Paliganj | Branch Post Office |
| 937 | Kali Asthan | Aunta BO | 📍 803303 | Mokameh | Branch Post Office |
| 938 | Kali Asthan Tola | Maranchi BO | 📍 803301 | Mokameh | Branch Post Office |
| 939 | Kalianpur | Chaksawar BO | 📍 803211 | Athmalgola | Branch Post Office |
| 940 | Kalianpur | Kalyanpur BO | 📍 804453 | Dhanarua | Branch Post Office |
| 941 | Kalianpur Basiawan | Kalyanpur BO | 📍 804453 | Punpun | Branch Post Office |
| 942 | Kaliganj | Doghara BO | 📍 801112 | Bihta | Branch Post Office |
| 943 | Kalupur | Paliganj S.O | 📍 801110 | Paliganj | Post Office - PO |
| 944 | Kalyanpur | Paipura Kala BO | 📍 801110 | Paliganj | Branch Post Office |
| 945 | Kalyanpur Dih | Chaksawar BO | 📍 803211 | Athmalgola | Branch Post Office |
| 946 | Kamalpur | Kanchanpur BO | 📍 803201 | Bihta | Branch Post Office |
| 947 | Kamleshwar Asthan | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 948 | Kamrapar | Ramnagar Karai Kachhar BO | 📍 803211 | Athmalgola | Branch Post Office |
| 949 | Kamraper | Rupas BO | 📍 803211 | Athmalgola | Branch Post Office |
| 950 | Kamta Chak | Mittan Chak BO | 📍 804453 | Sampatchak | Branch Post Office |