| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1151 | Sonbarsa Kumhra Sumer | Lattipur BO | 📍 843322 | Bathnaha | Branch Post Office |
| 1152 | Sonbarsa Kumhra Sumer | Majhaulia Estate SO | 📍 843322 | Bathnaha | Post Office - PO |
| 1153 | Sondehi | Bangaraha BO | 📍 843302 | Sursand | Branch Post Office |
| 1154 | Sondehi | Kumma BO | 📍 843331 | Sursand | Branch Post Office |
| 1155 | Sonpurwa | Raxiya BO | 📍 843328 | Runisaidpur | Branch Post Office |
| 1156 | Subhaigarh | Subhaigarh BO | 📍 843117 | Runisaidpur | Branch Post Office |
| 1157 | Subhaigarh B.O | Subhaigarh B.O | 📍 843131 | Sitamarhi | Branch Post Office |
| 1158 | Suhai | Sitamarhi HO | 📍 843301 | Dumra | Head Post Office - H |
| 1159 | Suhai | Manikchowk SO | 📍 843323 | Runisaidpur | Post Office - PO |
| 1160 | Suhai | Prem Nagar Subhai BO | 📍 843323 | Dumra | Branch Post Office |
| 1161 | Sukhi | Belsand SO | 📍 843316 | Belsand | Post Office - PO |
| 1162 | Sukhi | P Murahi BO | 📍 843316 | Belsand | Branch Post Office |
| 1163 | Suki Musharnia urf Gangdah | Betaha BO | 📍 843324 | Parihar | Branch Post Office |
| 1164 | Suki Musharnia urf Gangdah | Bishanpur BO | 📍 843324 | Parihar | Branch Post Office |
| 1165 | Sultanpur urf Madhopur | Thahar BO | 📍 843328 | Runisaidpur | Branch Post Office |
| 1166 | Sundarpur | Bangaraha BO | 📍 843302 | Sursand | Branch Post Office |
| 1167 | Sundarpur | Belsand SO | 📍 843316 | Belsand | Post Office - PO |
| 1168 | Supaina | Haribela BO | 📍 843317 | Bathnaha | Branch Post Office |
| 1169 | Supi | Dheng BO | 📍 843315 | Suppi | Branch Post Office |
| 1170 | Supi | R. Raghunathpur BO | 📍 843315 | Suppi | Post Office - PO |
| 1171 | Suppi | Barharwa SO Sitamarhi | 📍 843315 | Suppi | Post Office - PO |
| 1172 | Suppi | Suppi BO | 📍 843315 | Suppi | Branch Post Office |
| 1173 | Surajpatti | Bedaul BO | 📍 843320 | Pupri | Branch Post Office |
| 1174 | Surgahia | Baburban BO | 📍 843324 | Parihar | Branch Post Office |
| 1175 | Surgahia | Sutihara BO | 📍 843331 | Parihar | Branch Post Office |
| 1176 | Sursand | Bhitha Bazar BO | 📍 843331 | Sursand | Branch Post Office |
| 1177 | Sursand | Mahuawa BO | 📍 843331 | Sursand | Branch Post Office |
| 1178 | Sursand | Radhaur BO | 📍 843331 | Sursand | Branch Post Office |
| 1179 | Sursand | Sursand SO | 📍 843331 | Sursand | Post Office - PO |
| 1180 | Sursand Asli | Sursand SO | 📍 843331 | Sursand | Post Office - PO |
| 1181 | Sutihara Ram | Sutihara BO | 📍 843331 | Parihar | Branch Post Office |
| 1182 | Tahirpur | Olipur Sarhachia BO | 📍 843117 | Runisaidpur | Branch Post Office |
| 1183 | Tekaur | Garha BO | 📍 843323 | Runisaidpur | Branch Post Office |
| 1184 | Tekaur | Manikchowk SO | 📍 843323 | Runisaidpur | Post Office - PO |
| 1185 | Tekaur | Runnisaidpur SO | 📍 843328 | Runisaidpur | Post Office - PO |
| 1186 | Tekaur | Thumma BO | 📍 843328 | Runisaidpur | Branch Post Office |
| 1187 | Terhia | Dighi BO | 📍 843322 | Bathnaha | Branch Post Office |
| 1188 | Terhia | Jogiwana BO | 📍 843322 | Bathnaha | Branch Post Office |
| 1189 | Thahar | Runnisaidpur SO | 📍 843328 | Runisaidpur | Post Office - PO |
| 1190 | Thahar | Thahar BO | 📍 843328 | Runisaidpur | Branch Post Office |
| 1191 | Thithraha | Kishanpur BO | 📍 843302 | Bathnaha | Branch Post Office |
| 1192 | Thuma | Runnisaidpur SO | 📍 843328 | Runisaidpur | Post Office - PO |
| 1193 | Thuma | Thumma BO | 📍 843328 | Runisaidpur | Branch Post Office |
| 1194 | Tikauli | Manikchowk SO | 📍 843323 | Runisaidpur | Post Office - PO |
| 1195 | Tikauli | Tikauli BO | 📍 843323 | Runisaidpur | Branch Post Office |
| 1196 | Tola Bishunpur | Bishanpur BO | 📍 843324 | Parihar | Branch Post Office |
| 1197 | Turkaulia | Madhopur BO | 📍 843322 | Bathnaha | Branch Post Office |
| 1198 | Ukhra | Budhnagra Deorhi SO | 📍 843318 | Bokhara | Post Office - PO |
| 1199 | Ukhra | Balasath BO | 📍 843326 | Bokhara | Branch Post Office |
| 1200 | Umarpur | Bhanaspatti BO | 📍 843328 | Runisaidpur | Branch Post Office |