| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1101 | Nagargawan | Madhaipur BO | 📍 848503 | Dalsinghsarai | Branch Post Office |
| 1102 | Nagoi | Baghra SO Samastipur | 📍 848506 | Mohanpur | Post Office - PO |
| 1103 | Nakuni | Aura BO | 📍 848205 | Hasanpur | Branch Post Office |
| 1104 | Nakuni | Nakuni BO | 📍 848206 | Hasanpur | Branch Post Office |
| 1105 | Namapur | Namapur BO | 📍 848125 | Kalyanpur | Branch Post Office |
| 1106 | Nandni Parsuram | Sibaisingpur BO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 1107 | Nankar | Biraul SO | 📍 847203 | Shivaji Nagar | Post Office - PO |
| 1108 | Naraenpur | Pusa SO | 📍 848125 | Pusa | Post Office - PO |
| 1109 | Naraenpur | Tetarpur BO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 1110 | Naraenpur Darhia | Shambhupatti SO | 📍 848129 | Samastipur | Post Office - PO |
| 1111 | Naraenpur Khairi | Kubouliram BO | 📍 848131 | Pusa | Branch Post Office |
| 1112 | Naranga | Nauraga SO | 📍 848102 | Kalyanpur | Post Office - PO |
| 1113 | Narghoghi | Akhtiarpur BO | 📍 848127 | Sarairanjan | Branch Post Office |
| 1114 | Narhan | Narhan SO | 📍 848211 | Bibhutpur | Post Office - PO |
| 1115 | Narpat Nagar urf Chandarpur | Kale Narpatnagar BO | 📍 848206 | Hasanpur | Branch Post Office |
| 1116 | Narsingha | Parwana BO | 📍 848117 | Shivaji Nagar | Branch Post Office |
| 1117 | Nathu Doar | Nathudwar BO | 📍 848236 | Khanpur | Branch Post Office |
| 1118 | Naua Chak | Jitwarpur Kumhira BO | 📍 848127 | Sarairanjan | Branch Post Office |
| 1119 | Nauraj | Nakuni BO | 📍 848206 | Hasanpur | Branch Post Office |
| 1120 | Nauranga | Nauraga SO | 📍 848102 | Kalyanpur | Post Office - PO |
| 1121 | Navtoliya | Kalyanpur SO Samastipur | 📍 848160 | Bibhutpur | Post Office - PO |
| 1122 | Navtoliya | Sumbha Deorhi BO | 📍 848209 | Singhia | Branch Post Office |
| 1123 | Nawa Chak | Dighra SO | 📍 848115 | Pusa | Post Office - PO |
| 1124 | Nawada | Chaknawada BO | 📍 848114 | Dalsinghsarai | Branch Post Office |
| 1125 | Nawada | Mohiuddin Nagar R.S SO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 1126 | Naya Nagar | Nayanagar BO | 📍 848208 | Hasanpur | Branch Post Office |
| 1127 | Nazirpur | Chapta BO | 📍 848114 | Ujiarpur | Branch Post Office |
| 1128 | Neemi | Kundal SO Samastipur | 📍 848206 | Singhia | Post Office - PO |
| 1129 | Nikaspur | Nikaspur Nisfi BO | 📍 848121 | Morwa | Branch Post Office |
| 1130 | Nikaspur | Akha Bishanpur BO | 📍 848132 | Ujiarpur | Branch Post Office |
| 1131 | Nima Chak Haidar | Kurba Barhetta BO | 📍 848302 | Kalyanpur | Branch Post Office |
| 1132 | Nirpa | Narpa BO | 📍 848207 | Bithan | Branch Post Office |
| 1133 | Nirpur | Nirpur BO | 📍 848129 | Samastipur | Branch Post Office |
| 1134 | Nisfi | Nikaspur Nisfi BO | 📍 848121 | Morwa | Branch Post Office |
| 1135 | Nonfar | Mishratol BO | 📍 848114 | Ujiarpur | Branch Post Office |
| 1136 | Nonphara | Angarghat BO | 📍 848236 | Ujiarpur | Branch Post Office |
| 1137 | Nur Ganj | Begampur BO | 📍 848101 | Warisnagar | Branch Post Office |
| 1138 | Nur Nagar | Hayaghat Bilashpur SO | 📍 847301 | Kalyanpur | Post Office - PO |
| 1139 | Pabra | Sonupur BO | 📍 848210 | Rosera | Branch Post Office |
| 1140 | Pach Paika | Pachpaika BO | 📍 848114 | Ujiarpur | Branch Post Office |
| 1141 | Pachbhinda | Pachbhinda BO | 📍 848505 | Morwa | Branch Post Office |
| 1142 | Pachgawan | Haripur BO | 📍 848216 | Rosera | Branch Post Office |
| 1143 | Pachopur | Rosera SO | 📍 848210 | Rosera | Post Office - PO |
| 1144 | Pachpaika | Pachpaika BO | 📍 848114 | Ujiarpur | Branch Post Office |
| 1145 | Pachrukhi | Ratanpur Bela BO | 📍 848113 | Samastipur | Branch Post Office |
| 1146 | Pachrukhi | Ujan BO | 📍 848207 | Bithan | Branch Post Office |
| 1147 | Padri | Ujan BO | 📍 848207 | Bithan | Branch Post Office |
| 1148 | Pagamberpur | Madhopur Dighrua SO | 📍 848122 | Tajpur | Post Office - PO |
| 1149 | Pagra | Pagra BO | 📍 848114 | Dalsinghsarai | Branch Post Office |
| 1150 | Pagra | Akauna BO | 📍 848209 | Singhia | Branch Post Office |