| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 201 | Jhitkia | Ghailar BO | 📍 852124 | Ghailarh | Branch Post Office |
| 202 | Jhitkia Hadi | Chatra BO | 📍 852115 | Gwalpara | Branch Post Office |
| 203 | Jirwa | Jirwa BO | 📍 852132 | Shankarpur | Branch Post Office |
| 204 | Jit Singh Subedar Jagir | Puraini Bazar SO | 📍 852116 | Chausa | Post Office - PO |
| 205 | Jitapur | Jeeta Pur BO | 📍 852114 | Murliganj | Branch Post Office |
| 206 | Jitapur Arazi | Jeeta Pur BO | 📍 852114 | Murliganj | Branch Post Office |
| 207 | Jiwachhpur | Jiwachpur BO | 📍 852124 | Gamharia | Branch Post Office |
| 208 | Jorgawan | Jorgama BO | 📍 852122 | Murliganj | Branch Post Office |
| 209 | Jotaili | Bansgopal BO | 📍 852213 | Kishanganj | Branch Post Office |
| 210 | Jotmanohar | Jhanjhari BO | 📍 852115 | Gwalpara | Branch Post Office |
| 211 | Kalekhan Naek Jagir | Puraini Bazar SO | 📍 852116 | Puraini | Post Office - PO |
| 212 | Kalhautia | Kathotia BO | 📍 852101 | Bihariganj | Branch Post Office |
| 213 | Kalotaha | Chatra BO | 📍 852115 | Gwalpara | Branch Post Office |
| 214 | Kalyanpatti | Temabhelwa BO | 📍 852115 | Gwalpara | Branch Post Office |
| 215 | Kamargaon Part in Shankarpur * * | Shankarpur BO | 📍 852132 | Singheshwar | Branch Post Office |
| 216 | Kamargaon Part in Singheshwar ** | Singheshwar SO | 📍 852128 | Shankarpur | Post Office - PO |
| 217 | Kanhuan Goriari | Rajpur BO | 📍 852218 | Singheshwar | Branch Post Office |
| 218 | Kanwanrahi | Ghosai BO | 📍 852213 | Puraini | Branch Post Office |
| 219 | Kapasia | K.Ratwara BO | 📍 852219 | Alamnagar | Branch Post Office |
| 220 | Karaman | Shah Alam Nagar SO | 📍 852219 | Puraini | Post Office - PO |
| 221 | Kaurihar | Koriyarh BO | 📍 852108 | Gamharia | Branch Post Office |
| 222 | Keshopur | Singhar BO | 📍 852219 | Alamnagar | Branch Post Office |
| 223 | Kewat Ram Subedar Jagir | Puraini Bazar SO | 📍 852116 | Chausa | Post Office - PO |
| 224 | Kewatgawan | Lc Ashthan BO | 📍 852122 | Kumarkhand | Branch Post Office |
| 225 | Khan Kumedan Jagir | Ghosai BO | 📍 852213 | Chausa | Branch Post Office |
| 226 | Khanarda | Udakishunganj SO | 📍 852220 | Kishanganj | Post Office - PO |
| 227 | Khaon | R.N.Khwan BO | 📍 852219 | Alamnagar | Branch Post Office |
| 228 | Khari | Parmanandpur BO | 📍 852112 | Murliganj | Branch Post Office |
| 229 | Kherho | Kherho BO | 📍 852116 | Puraini | Branch Post Office |
| 230 | Khokhsi Saranpur | K.S.Pur BO | 📍 852220 | Gwalpara | Branch Post Office |
| 231 | Khoksi Saranpur Milik | K.S.Pur BO | 📍 852220 | Gwalpara | Branch Post Office |
| 232 | Khopaiti | Mathahi SO | 📍 852121 | Madhepura | Post Office - PO |
| 233 | Khopaiti Badh | B.Garhia BO | 📍 852121 | Madhepura | Branch Post Office |
| 234 | Khuman Milik | Khurhan Mal BO | 📍 852219 | Alamnagar | Branch Post Office |
| 235 | Khuranmal | Khurhan Mal BO | 📍 852219 | Alamnagar | Branch Post Office |
| 236 | Khusropatti | Ratanpatti BO | 📍 852122 | Murliganj | Branch Post Office |
| 237 | Kishanganj | Gopalpur BO | 📍 852220 | Kishanganj | Branch Post Office |
| 238 | Kishanganj | Karauti Bazar BO | 📍 852220 | Kishanganj | Branch Post Office |
| 239 | Kishanganj | Laskari BO | 📍 852220 | Kishanganj | Branch Post Office |
| 240 | Kishanganj | Shyam BO | 📍 852220 | Kishanganj | Branch Post Office |
| 241 | Kishanganj | Udakishunganj SO | 📍 852220 | Kishanganj | Post Office - PO |
| 242 | Kishunpur Ratwara | K.Ratwara BO | 📍 852219 | Alamnagar | Branch Post Office |
| 243 | Kumar Khand | Kumarkhand SO | 📍 852112 | Kumarkhand | Post Office - PO |
| 244 | Kumarkhand | Besarh BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 245 | Kumarkhand | Bhatni BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 246 | Kumarkhand | Kumarkhand SO | 📍 852112 | Kumarkhand | Post Office - PO |
| 247 | Kumarkhand | Lalkuria BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 248 | Kumarkhand | Pandeypatti BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 249 | Kumarkhand | Ramganj BO | 📍 852112 | Kumarkhand | Branch Post Office |
| 250 | Kumarkhand | Ramnagar BO | 📍 852112 | Kumarkhand | Branch Post Office |