| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1351 | Siduwari | Barisakhi BO | 📍 825408 | Itkhori | Branch Post Office |
| 1352 | Sihvpur | Saradhu BO | 📍 825321 | Tandwa | Branch Post Office |
| 1353 | Sijua | Baraini BO | 📍 825401 | Chatra | Branch Post Office |
| 1354 | Sijua | Jogiara BO | 📍 825404 | Pratappur | Branch Post Office |
| 1355 | Sikatiya | Hiring BO | 📍 825403 | Hunterganj | Branch Post Office |
| 1356 | Sikid | Laralutudag BO | 📍 825401 | Chatra | Branch Post Office |
| 1357 | Sikid | Tikar BO | 📍 825401 | Chatra | Branch Post Office |
| 1358 | Sikidag | Kunda BO | 📍 825404 | Kunda | Branch Post Office |
| 1359 | Sikni | Lawalong BO | 📍 825103 | Lawalaung | Branch Post Office |
| 1360 | Sikni | Chatti Anatpur BO | 📍 825404 | Pratappur | Branch Post Office |
| 1361 | Sikri | Tutilawa BO | 📍 825103 | Simaria | Branch Post Office |
| 1362 | Sila | Shila BO | 📍 825103 | Simaria | Branch Post Office |
| 1363 | Silar | Itkhori SO | 📍 825408 | Itkhori | Post Office - PO |
| 1364 | Sildag | Lawalong BO | 📍 825103 | Lawalaung | Branch Post Office |
| 1365 | Silwar | Hunterganj BO | 📍 825403 | Hunterganj | Branch Post Office |
| 1366 | Simaria | Simaria SO | 📍 825103 | Simaria | Post Office - PO |
| 1367 | Simaria | Haphuwa BO | 📍 825401 | Chatra | Branch Post Office |
| 1368 | Simaria | Bargaon BO | 📍 825408 | Itkhori | Branch Post Office |
| 1369 | Simaria Kalan | Edla BO | 📍 825103 | Simaria | Branch Post Office |
| 1370 | Simaria Khurd | Shivrajpur BO | 📍 825103 | Simaria | Branch Post Office |
| 1371 | Sinduari | Haphuwa BO | 📍 825401 | Chatra | Branch Post Office |
| 1372 | Sinduari Kalan | Barisakhi BO | 📍 825408 | Gidhaur | Branch Post Office |
| 1373 | Sinduarikhurd | Gidhour BO | 📍 825408 | Gidhaur | Branch Post Office |
| 1374 | Sinduri | Kunda BO | 📍 825404 | Kunda | Branch Post Office |
| 1375 | Sindurve | Gidhour BO | 📍 825408 | Gidhaur | Branch Post Office |
| 1376 | Singhani | Pathalgada BO | 📍 825408 | Pathalgora | Branch Post Office |
| 1377 | Singhnauli | Berhna BO | 📍 825408 | Itkhori | Branch Post Office |
| 1378 | Singhpur | Pandeypura BO | 📍 825401 | Chatra | Branch Post Office |
| 1379 | Singhrawan | Singhrawan BO | 📍 825406 | Itkhori | Branch Post Office |
| 1380 | Siram | Tulbul BO | 📍 825401 | Chatra | Branch Post Office |
| 1381 | Siria | Karni BO | 📍 825408 | Itkhori | Branch Post Office |
| 1382 | Sirka | Hunterganj BO | 📍 825403 | Hunterganj | Branch Post Office |
| 1383 | Sirkol | Pathalgada BO | 📍 825408 | Pathalgora | Branch Post Office |
| 1384 | Sirmatpur | Parsauni BO | 📍 825408 | Itkhori | Branch Post Office |
| 1385 | Sirsai | Khadaiya BO | 📍 825321 | Tandwa | Branch Post Office |
| 1386 | Sisi | Tatra BO | 📍 825401 | Chatra | Branch Post Office |
| 1387 | Siuria | Navadih Damol BO | 📍 825408 | Simaria | Branch Post Office |
| 1388 | Siwan | Jajlo BO | 📍 825401 | Chatra | Branch Post Office |
| 1389 | Sobhi Chak | Hunterganj BO | 📍 825403 | Hunterganj | Branch Post Office |
| 1390 | Soha alias Keota | Jabra BO | 📍 825103 | Simaria | Branch Post Office |
| 1391 | Sohar kalan | Edla BO | 📍 825103 | Simaria | Branch Post Office |
| 1392 | Soharlot | Kunda BO | 📍 825404 | Kunda | Branch Post Office |
| 1393 | Sohawan | Lawalong BO | 📍 825103 | Lawalaung | Branch Post Office |
| 1394 | Sokha | Hunterganj BO | 📍 825403 | Hunterganj | Branch Post Office |
| 1395 | Soki | Amjhar BO | 📍 825408 | Itkhori | Branch Post Office |
| 1396 | Sonasemar | Itkhori SO | 📍 825408 | Itkhori | Post Office - PO |
| 1397 | Sonbarsa | Jajlo BO | 📍 825401 | Hunterganj | Branch Post Office |
| 1398 | Sonbarsa | Pratappur SO Chatra | 📍 825404 | Pratappur | Post Office - PO |
| 1399 | Sonbigha | Tapej BO | 📍 825401 | Chatra | Branch Post Office |
| 1400 | Sonepurbigha | Karma BO | 📍 825401 | Hunterganj | Branch Post Office |