| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1351 | Sadapur | Sadapur BO | 📍 855113 | Manihari | Branch Post Office |
| 1352 | Sadapur | Salmari SO | 📍 855113 | Kadwa | Post Office - PO |
| 1353 | Sadeli | Durgaganj SO | 📍 855105 | Kadwa | Post Office - PO |
| 1354 | Sadian | Sudhani RS BO | 📍 854317 | Barsoi | Branch Post Office |
| 1355 | Sadipur | Fatehpur BO | 📍 854335 | Balrampur | Branch Post Office |
| 1356 | Sadipur | Fatehpur BO | 📍 855101 | Balrampur | Branch Post Office |
| 1357 | Sadpur Rajuara | Rautara BO | 📍 854337 | Korha | Branch Post Office |
| 1358 | Sagarath | Durgaganj SO | 📍 855105 | Kadwa | Post Office - PO |
| 1359 | Sagrath | Sagrath BO | 📍 855105 | Dandkhora | Branch Post Office |
| 1360 | Sagunia | Dawasai BO | 📍 855105 | Kadwa | Branch Post Office |
| 1361 | Sahajana | Porla BO | 📍 855102 | Azamnagar | Branch Post Office |
| 1362 | Sahajana | Dawasai BO | 📍 855105 | Kadwa | Branch Post Office |
| 1363 | Sahanpur | Salmari SO | 📍 855113 | Kadwa | Post Office - PO |
| 1364 | Sahasara Kasht | Ajhrail BO | 📍 854317 | Balrampur | Branch Post Office |
| 1365 | Sahasara Mal | Ajhrail BO | 📍 854317 | Balrampur | Branch Post Office |
| 1366 | Sahasram | Bhangaha BO | 📍 854114 | Falka | Branch Post Office |
| 1367 | Sahebnagar | Mansahi BO | 📍 854103 | Mansahi | Branch Post Office |
| 1368 | Sahelpur | Sudhani RS BO | 📍 854317 | Barsoi | Branch Post Office |
| 1369 | Sahisia | Samda BO | 📍 854104 | katihar | Branch Post Office |
| 1370 | Sahja | Sahja BO | 📍 854107 | Pranpur | Branch Post Office |
| 1371 | Sahnagar Dakhili | Millik Palagarh BO | 📍 855114 | Kadwa | Branch Post Office |
| 1372 | Sahnagar Dakhili Milik | Millik Palagarh BO | 📍 855114 | Kadwa | Branch Post Office |
| 1373 | Sahoria Nandlal | Gurubazar SO | 📍 854104 | Barari | Post Office - PO |
| 1374 | Sahuria | Bansgarha BO | 📍 854115 | Barari | Branch Post Office |
| 1375 | Sahutola | Telta BO | 📍 854317 | Balrampur | Branch Post Office |
| 1376 | Saidpur | Chakmaka BO | 📍 854113 | Manihari | Branch Post Office |
| 1377 | Saira Milik | Dhanetha BO | 📍 854108 | Falka | Branch Post Office |
| 1378 | Sakari Galiurf Kala Diara | Chakmaka BO | 📍 854113 | Amdabad | Branch Post Office |
| 1379 | Sakraili | Semapur Factory SO | 📍 854115 | Barari | Post Office - PO |
| 1380 | Sakraili | Gauripur BO | 📍 854116 | Pranpur | Branch Post Office |
| 1381 | Sakraili | Dumaria BO | 📍 855114 | Dandkhora | Branch Post Office |
| 1382 | Sakrauna Muradpur | Sonaili SO | 📍 855114 | Kadwa | Post Office - PO |
| 1383 | Salehpur | Pothia SO | 📍 854114 | Falka | Post Office - PO |
| 1384 | Salehpur Milik | Salepur BO | 📍 854114 | Falka | Branch Post Office |
| 1385 | Salempur | Khaira BO | 📍 854101 | Sameli | Branch Post Office |
| 1386 | Salempur | Telta BO | 📍 854317 | Balrampur | Branch Post Office |
| 1387 | Salmara | Salmari SO | 📍 855113 | Azamnagar | Post Office - PO |
| 1388 | Samaikol | Shihipur BO | 📍 855113 | Azamnagar | Branch Post Office |
| 1389 | Samda | Gurubazar SO | 📍 854104 | Manihari | Post Office - PO |
| 1390 | Samda | Samda BO | 📍 854104 | katihar | Branch Post Office |
| 1391 | Sameli | Sameli BO | 📍 854101 | katihar | Branch Post Office |
| 1392 | Sandalpur | Sandalpur BO | 📍 854106 | Korha | Branch Post Office |
| 1393 | Sanjhaili | Salmari SO | 📍 855113 | Kadwa | Post Office - PO |
| 1394 | Sanjhaili Mushari Tola | Durgaganj SO | 📍 855105 | katihar | Post Office - PO |
| 1395 | Sanjhia | Fatehpur BO | 📍 854335 | Barsoi | Branch Post Office |
| 1396 | Sankola | Sankola BO | 📍 855102 | Barsoi | Branch Post Office |
| 1397 | Sant colony | Katihar Bmp Camp SO | 📍 854106 | katihar | Post Office - PO |
| 1398 | Santokhpur | Ayodhyaganj Bazar SO | 📍 854101 | Kursela | Post Office - PO |
| 1399 | Santola | Baltar BO | 📍 855113 | Azamnagar | Branch Post Office |
| 1400 | Sapaha Bahiar | Nandgola BO | 📍 854101 | Sameli | Branch Post Office |