| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 951 | Kanaura | Sigori BO | 📍 801110 | Paliganj | Branch Post Office |
| 952 | Kanchanpur | Kanchanpur BO | 📍 803201 | Daniawan | Branch Post Office |
| 953 | Kanchanpuri | Saksohra BO | 📍 803213 | Belchhi | Branch Post Office |
| 954 | Kandap | Kandap BO | 📍 804453 | Sampatchak | Branch Post Office |
| 955 | Kanha Mareket | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 956 | Kanhaipur | Kanhaipur BO | 📍 803221 | Mokameh | Branch Post Office |
| 957 | Kanhaipur Bagi | Kanhaipur BO | 📍 803221 | Mokameh | Branch Post Office |
| 958 | Kanhaipur Dih | Kanhaipur BO | 📍 803221 | Mokameh | Branch Post Office |
| 959 | Kanhauli | Sadisopur S.O | 📍 801111 | Bihta | Post Office - PO |
| 960 | Kanjhachak | Nadama Tola BO | 📍 803213 | Barh | Branch Post Office |
| 961 | Kanpa | Saidabah BO | 📍 801104 | Bikram | Branch Post Office |
| 962 | Kansari | Kansari BO | 📍 804451 | Punpun | Branch Post Office |
| 963 | Kansopur | Akbarpur BO | 📍 804401 | Paliganj | Branch Post Office |
| 964 | Kansra | Ghorahua BO | 📍 804452 | Masaurhi | Branch Post Office |
| 965 | Kanta Chak | Mittan Chak BO | 📍 804453 | Sampatchak | Branch Post Office |
| 966 | Karai | Karai BO | 📍 801109 | Naubatpur | Branch Post Office |
| 967 | Karai | Lahsuna BO | 📍 804452 | Masaurhi | Branch Post Office |
| 968 | Karamchari Rajya Bima | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 969 | Karanauti | Karnauti BO | 📍 803212 | Bakhtiarpur | Branch Post Office |
| 970 | Karanja | Karanja BO | 📍 801109 | Naubatpur | Branch Post Office |
| 971 | Karanpura | Bairia BO | 📍 800007 | Sampatchak | Branch Post Office |
| 972 | Karanpura | Murka BO | 📍 801110 | Paliganj | Branch Post Office |
| 973 | Karanpura | Sadisopur S.O | 📍 801111 | Naubatpur | Post Office - PO |
| 974 | Karara | Karara BO | 📍 803302 | Ghoswari | Branch Post Office |
| 975 | Kararia | Lahsuna BO | 📍 804452 | Masaurhi | Branch Post Office |
| 976 | Karauta | Doma BO | 📍 803202 | Bakhtiarpur | Branch Post Office |
| 977 | Karauti | Karhari BO | 📍 804423 | Paliganj | Branch Post Office |
| 978 | Karbalah [Gajrajbigha] | Bhuapur BO | 📍 803211 | Pandarak | Branch Post Office |
| 979 | Kardaha | Dihri BO | 📍 804453 | Naubatpur | Branch Post Office |
| 980 | Karim Bag | Kanhaipur BO | 📍 803221 | Mokameh | Branch Post Office |
| 981 | Karjan | Karjan BO | 📍 803211 | Athmalgola | Branch Post Office |
| 982 | Karnauti | Karnauti BO | 📍 803212 | Bakhtiarpur | Branch Post Office |
| 983 | Karsa | Bikram S.O | 📍 801104 | Bikram | Post Office - PO |
| 984 | Karwa | Daulatpur BO | 📍 804452 | Masaurhi | Branch Post Office |
| 985 | Kashinagar | Sonmai BO | 📍 804451 | Dhanarua | Branch Post Office |
| 986 | Kashmiriya | Mohiuddinpur BO | 📍 803201 | Daniawan | Branch Post Office |
| 987 | Kasim Chak | Aikhan BO | 📍 801102 | Dulhin Bazar | Branch Post Office |
| 988 | Kasim chak | Sherpur BO | 📍 801503 | Dinapur-Cum-Khagaul | Branch Post Office |
| 989 | Kasimpur | Gauri Pundah BO | 📍 803201 | Fatwah | Branch Post Office |
| 990 | Kasimpur | Khushrupur SO | 📍 803202 | Khusrupur | Branch Post Office |
| 991 | Kasimpur dari | Chaksawar BO | 📍 803211 | Athmalgola | Branch Post Office |
| 992 | Kat bigha | Gopalur BO | 📍 803110 | Belchhi | Branch Post Office |
| 993 | Katari | Danara BO | 📍 801104 | Bikram | Branch Post Office |
| 994 | Katari | Ekbalganj Nisarpura BO | 📍 801112 | Bikram | Branch Post Office |
| 995 | Katauna | Katauna BO | 📍 803202 | Khusrupur | Branch Post Office |
| 996 | Katautia | Sarai BO | 📍 801113 | Maner | Branch Post Office |
| 997 | Katesar | Katesar BO | 📍 801103 | Bihta | Post Office - PO |
| 998 | Kathari | Malpur BO | 📍 803301 | Mokameh | Branch Post Office |
| 999 | Katka | Mouri BO | 📍 804426 | Paliganj | Branch Post Office |
| 1000 | Kauri | Mouri BO | 📍 804426 | Paliganj | Branch Post Office |