| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1051 | Kaniyari | Kaniyari BO | 📍 802213 | Dinara | Branch Post Office |
| 1052 | Kaparpura | Telari BO | 📍 821108 | Chenari | Branch Post Office |
| 1053 | Kapasiya | Rajpur SO Rohtas | 📍 802219 | Nokha | Post Office - PO |
| 1054 | Kapasiya Tola | Rajpur SO Rohtas | 📍 802219 | Nokha | Post Office - PO |
| 1055 | Kapatia | Dibhia BO | 📍 821107 | Kargahar | Branch Post Office |
| 1056 | Karakat | Karakat BO | 📍 802212 | Karakat | Branch Post Office |
| 1057 | Karam Dihri | Gotpa BO | 📍 821113 | Sasaram | Branch Post Office |
| 1058 | Karam Dihri | Sasaram HO | 📍 821115 | Sasaram | Head Post Office - H |
| 1059 | Karam Dihri Tola | Gotpa BO | 📍 821113 | Sasaram | Branch Post Office |
| 1060 | Karamahi | Bisheni Kala BO | 📍 802219 | Rajpur | Branch Post Office |
| 1061 | Karamdiha | Daranagar BO | 📍 821304 | Nauhatta | Branch Post Office |
| 1062 | Karamkila | Bishunpur BO | 📍 802219 | Rajpur | Branch Post Office |
| 1063 | Karan | Pachpokhari BO | 📍 802217 | Nokha | Branch Post Office |
| 1064 | Karanchhata | Kopsar BO | 📍 821107 | Kochas | Branch Post Office |
| 1065 | Karanj | Jigana BO | 📍 802213 | Dinara | Branch Post Office |
| 1066 | Karanpura | Telari BO | 📍 821108 | Chenari | Branch Post Office |
| 1067 | Karaundi | Saraon BO | 📍 802218 | Dinara | Branch Post Office |
| 1068 | Karaunia | Karwandia BO | 📍 821305 | Sasaram | Branch Post Office |
| 1069 | Karbaniyan | Kochas SO | 📍 821112 | Kochas | Post Office - PO |
| 1070 | Karechh | Chenari SO | 📍 821104 | Chenari | Post Office - PO |
| 1071 | Kargahar | Kargahar SO | 📍 821107 | Kargahar | Post Office - PO |
| 1072 | Karhansi | Karahansi BO | 📍 802215 | Dinara | Branch Post Office |
| 1073 | Karhansi Tola | Karahansi BO | 📍 802215 | Dinara | Branch Post Office |
| 1074 | Kariawa Bal | Bikramganj SO | 📍 802212 | Bikramganj | Post Office - PO |
| 1075 | Karkatpur | Gamhariya BO | 📍 821301 | Akorhi Gola | Branch Post Office |
| 1076 | Karma | Karma BO | 📍 802212 | Sanjhauli | Branch Post Office |
| 1077 | Karma | Bad BO | 📍 802214 | Sheosagar | Branch Post Office |
| 1078 | Karma | Dhawani BO | 📍 802214 | Karakat | Branch Post Office |
| 1079 | Karma | Sisirita BO | 📍 802217 | Nokha | Branch Post Office |
| 1080 | Karma | Ugahni BO | 📍 821104 | Chenari | Branch Post Office |
| 1081 | Karma | Chhotki Chenari BO | 📍 821113 | Sheosagar | Branch Post Office |
| 1082 | Karma | Nawadih Karma BO | 📍 821302 | Rohtas | Branch Post Office |
| 1083 | Karma | Karwandia BO | 📍 821305 | Sasaram | Branch Post Office |
| 1084 | Karma | Karma Pathkhaulia BO | 📍 821310 | Karakat | Branch Post Office |
| 1085 | Karma Digar | Ugahni BO | 📍 821104 | Chenari | Branch Post Office |
| 1086 | Karmaini | Maidhara BO | 📍 802212 | Bikramganj | Branch Post Office |
| 1087 | Karmaini | Barhari BO | 📍 802215 | Nokha | Branch Post Office |
| 1088 | Karmaini | Bhelari BO | 📍 802215 | Nokha | Branch Post Office |
| 1089 | Karmaini | Karmaini BO | 📍 802220 | Sanjhauli | Branch Post Office |
| 1090 | karpurwa | Sasaram HO | 📍 821115 | Sasaram | Head Post Office - H |
| 1091 | Karserua | Darigaon BO | 📍 821113 | Sasaram | Branch Post Office |
| 1092 | Karup | Karup Itwa BO | 📍 802214 | Karakat | Branch Post Office |
| 1093 | Karup | Babhni BO | 📍 802215 | Nokha | Branch Post Office |
| 1094 | karup | Malwar BO | 📍 821113 | Sasaram | Branch Post Office |
| 1095 | Karup Bichali Tola | Babhni BO | 📍 802215 | Nokha | Branch Post Office |
| 1096 | Karup Indrahiyan | Karup Indrahiyan BO | 📍 802217 | Sasaram | Branch Post Office |
| 1097 | Karup Tola | Babhni BO | 📍 802215 | Nokha | Branch Post Office |
| 1098 | Karwandia | Karwandia BO | 📍 821305 | Sasaram | Branch Post Office |
| 1099 | Karwania | Karwandia BO | 📍 821305 | Sasaram | Branch Post Office |
| 1100 | Karwar | Dhanej BO | 📍 821107 | Kargahar | Branch Post Office |