| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1301 | Refujee Camp | Refujee Camp BO | 📍 845438 | Bairia | Branch Post Office |
| 1302 | Rekha Sundarpatti | Pakhanaha Bazar BO | 📍 845438 | Nautan | Branch Post Office |
| 1303 | Rewahia | Sisai BO | 📍 845104 | Madhubani | Branch Post Office |
| 1304 | Roari | Roari BO | 📍 845453 | Narkatiaganj | Branch Post Office |
| 1305 | Rudarpur Paterwa | Dumari Bazar BO | 📍 845452 | Jogapatti | Branch Post Office |
| 1306 | Rudarpur Paterwa | Puraina BO | 📍 845452 | Jogapatti | Branch Post Office |
| 1307 | rulhi Nizamat | Rulahi Nizamat BO | 📍 845454 | Majhaulia | Branch Post Office |
| 1308 | Rupaulia | Chandraha BO | 📍 845101 | Bagaha | Branch Post Office |
| 1309 | Rupaulia | Bhitiharwa Ashram BO | 📍 845455 | Gaunaha | Branch Post Office |
| 1310 | Rupdih | Belbagh SO | 📍 845438 | Bettiah | Post Office - PO |
| 1311 | Rupwaliya | Serwa Done BO | 📍 845106 | Ramnagar | Branch Post Office |
| 1312 | Sabaithwa | Sugaha Bhawanipur BO | 📍 845307 | Sikta | Branch Post Office |
| 1313 | Sabea | Sabeya BO | 📍 845103 | Ramnagar | Branch Post Office |
| 1314 | Sabeya | Harinagar SO | 📍 845103 | Ramnagar | Post Office - PO |
| 1315 | Sabeya | Sabeya BO | 📍 845103 | Ramnagar | Branch Post Office |
| 1316 | Sabeya Musai | Mangalpur BO | 📍 845105 | Sidhaw | Branch Post Office |
| 1317 | Sabiya Kalan | Sirisia BO | 📍 845450 | Chanpatia | Branch Post Office |
| 1318 | Sabiya khurd | Mushahari BO | 📍 845450 | Chanpatia | Branch Post Office |
| 1319 | Sahadatpur | Shiorajpur BO | 📍 845452 | Jogapatti | Branch Post Office |
| 1320 | Sahadatpur | Sahadat Pur BO | 📍 845453 | Lauriya | Branch Post Office |
| 1321 | Sahsaram | Sigari Bigari BO | 📍 845106 | Bagaha | Branch Post Office |
| 1322 | Saidpur | Narkaiaganj SO | 📍 845455 | Narkatiaganj | Post Office - PO |
| 1323 | Saidpur | Saidpur BO | 📍 845455 | Narkatiaganj | Branch Post Office |
| 1324 | Saithaul | Goithahi BO | 📍 845455 | Gaunaha | Branch Post Office |
| 1325 | Sakhuani | Semari Dumari BO | 📍 845106 | Ramnagar | Branch Post Office |
| 1326 | Sakhuania | Lauriya SO | 📍 845453 | Narkatiaganj | Post Office - PO |
| 1327 | Sakhui | Borwal BO | 📍 845105 | Bagaha | Branch Post Office |
| 1328 | Sakhui | Cheutaha BO | 📍 845106 | Sidhaw | Branch Post Office |
| 1329 | Sakraul | Ghorpakari BO | 📍 845306 | Mainatanr | Branch Post Office |
| 1330 | Sakrauliya | Singari BO | 📍 845101 | Bagaha | Branch Post Office |
| 1331 | Salaba | Jharmahuee BO | 📍 845103 | Bagaha | Branch Post Office |
| 1332 | Salempur | Belsandi BO | 📍 845455 | Gaunaha | Branch Post Office |
| 1333 | Salempur | Saidpur BO | 📍 845455 | Narkatiaganj | Branch Post Office |
| 1334 | Samahuta | Bhabhata BO | 📍 845449 | Narkatiaganj | Branch Post Office |
| 1335 | San Saraiya | San Sariya BO | 📍 845438 | Nautan | Branch Post Office |
| 1336 | Sangrampur | Machhargawan BO | 📍 845452 | Jogapatti | Branch Post Office |
| 1337 | Santpur | Cheutaha BO | 📍 845106 | Sidhaw | Branch Post Office |
| 1338 | Santpur | Gudgudi BO | 📍 845106 | Ramnagar | Branch Post Office |
| 1339 | Santpur Parsauni | Bastha BO | 📍 845306 | Mainatanr | Branch Post Office |
| 1340 | Sapahi | Bhawal BO | 📍 845106 | Ramnagar | Branch Post Office |
| 1341 | Sapahi | Tribhuani BO | 📍 845106 | Sidhaw | Branch Post Office |
| 1342 | Sarea | Sareya BO | 📍 845459 | Nautan | Branch Post Office |
| 1343 | Sareya | Sareya BO | 📍 845459 | Nautan | Branch Post Office |
| 1344 | Sareya Ojhwalia | Sareya Ojhwalia BO | 📍 845438 | Bairia | Branch Post Office |
| 1345 | Sargatia | Sargatia BO | 📍 845307 | Sikta | Branch Post Office |
| 1346 | Sargatia | Sundar Gaon BO | 📍 845307 | Sikta | Branch Post Office |
| 1347 | Sarpharwa | Amolwa BO | 📍 845455 | Gaunaha | Branch Post Office |
| 1348 | Satbherwa | Majhaulia Rs SO | 📍 845454 | Majhaulia | Post Office - PO |
| 1349 | Satchubanwa | Harnatar BO | 📍 845105 | Sidhaw | Branch Post Office |
| 1350 | Sathi | Sathi BO | 📍 845449 | Lauriya | Branch Post Office |