| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1501 | Sonwari | Sonsa BO | 📍 848209 | Singhia | Branch Post Office |
| 1502 | Soraul | Dinmanpur BO | 📍 848117 | Khanpur | Branch Post Office |
| 1503 | Soraul | Rebra BO | 📍 848117 | Khanpur | Branch Post Office |
| 1504 | Sormar Baghla | Sormar Baghla BO | 📍 848125 | Kalyanpur | Branch Post Office |
| 1505 | Sothiawan | Vidhyapati Nagar SO | 📍 848503 | Vidyapati Nagar | Post Office - PO |
| 1506 | Sothigama | Banghara BO | 📍 848114 | Vidyapati Nagar | Branch Post Office |
| 1507 | Sri Kameshwar Nagar | Srikameshwar Nagar BO | 📍 848209 | Shivaji Nagar | Branch Post Office |
| 1508 | Sri Rampur Ajodhya | Morsand BO | 📍 848115 | Pusa | Branch Post Office |
| 1509 | Subhan Chak | Songar BO | 📍 848122 | Morwa | Branch Post Office |
| 1510 | Subhanipur | Bazidpur BO | 📍 848503 | Vidyapati Nagar | Branch Post Office |
| 1511 | Subhaul | Sugrain BO | 📍 848207 | Bithan | Branch Post Office |
| 1512 | Sukhasan | Sohma BO | 📍 848207 | Bithan | Branch Post Office |
| 1513 | Sukhpur | Rampur Kushaiya BO | 📍 848301 | Warisnagar | Branch Post Office |
| 1514 | Sukhsaina | Narhan SO | 📍 848211 | Bibhutpur | Post Office - PO |
| 1515 | Sulemanpur | Janakpur BO | 📍 848114 | Ujiarpur | Branch Post Office |
| 1516 | Sultan Chak | Tajpur SO Samastipur | 📍 848130 | Tajpur | Post Office - PO |
| 1517 | Sultanpur Chhaurahi | Jorpura BO | 📍 848504 | Patori | Branch Post Office |
| 1518 | Sultanpur East | Sultanpur East BO | 📍 848501 | Mohiuddinagar | Branch Post Office |
| 1519 | Sultanpur Ghataho | Ghataho BO | 📍 848114 | Dalsinghsarai | Branch Post Office |
| 1520 | Sultanpur Morwa | Morwa SO | 📍 848121 | Sarairanjan | Post Office - PO |
| 1521 | Supaul | Birnamatula BO | 📍 848134 | Ujiarpur | Branch Post Office |
| 1522 | Supaul | Dadhia Asadhar BO | 📍 848134 | Ujiarpur | Branch Post Office |
| 1523 | Surajpur | Ujiarpur SO | 📍 848132 | Ujiarpur | Post Office - PO |
| 1524 | Surat Tara | Patory SO | 📍 848504 | Patori | Post Office - PO |
| 1525 | Suratpur | Chhatauna BO | 📍 848134 | Samastipur | Branch Post Office |
| 1526 | Surauli | Surauli BO | 📍 848211 | Bibhutpur | Branch Post Office |
| 1527 | Surha Basantpur | Gajpatti BO | 📍 848205 | Hasanpur | Branch Post Office |
| 1528 | Surmar | Bajitpur Meari BO | 📍 848114 | Sarairanjan | Branch Post Office |
| 1529 | Surmar | Jagdish Paran BO | 📍 848302 | Kalyanpur | Branch Post Office |
| 1530 | Tabar Chowk | Ilmasnagar SO | 📍 848117 | Khanpur | Post Office - PO |
| 1531 | Tabhka Khas | Pandit Tol Tabhka BO | 📍 848114 | Bibhutpur | Branch Post Office |
| 1532 | Tabhka Pachhiari | Pandit Tol Tabhka BO | 📍 848114 | Bibhutpur | Branch Post Office |
| 1533 | Tahra Gopalpur | Thahra Gopalpur BO | 📍 848115 | Pusa | Branch Post Office |
| 1534 | Tahrarhariya | Mahuli BO | 📍 848208 | Hasanpur | Branch Post Office |
| 1535 | Tajpur | Tajpur SO Samastipur | 📍 848130 | Tajpur | Post Office - PO |
| 1536 | Tajpur Handi | Sahpur Undi BO | 📍 848504 | Patori | Branch Post Office |
| 1537 | Tajpur Ratanpur | Ratanpur Bela BO | 📍 848113 | Samastipur | Branch Post Office |
| 1538 | Tajpur Ratanpur | Singhiakhurd BO | 📍 848113 | Samastipur | Branch Post Office |
| 1539 | Takia Urf Az Rakbe Jahangirpur | Rajajan BO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 1540 | Tal Agan | Jatmalpura Tira BO | 📍 847301 | Kalyanpur | Branch Post Office |
| 1541 | Tal Dasraha | Singhiakhurd BO | 📍 848113 | Samastipur | Branch Post Office |
| 1542 | Tal Dora | Bhorejairam BO | 📍 848236 | Khanpur | Branch Post Office |
| 1543 | Tal Dumri | Bhorejairam BO | 📍 848236 | Khanpur | Branch Post Office |
| 1544 | Tal Ekghara | Bhorejairam BO | 📍 848236 | Khanpur | Branch Post Office |
| 1545 | Tal Goraia | Janardanpur BO | 📍 848302 | Warisnagar | Branch Post Office |
| 1546 | Tal Koraia | Janardanpur BO | 📍 848302 | Warisnagar | Branch Post Office |
| 1547 | Tara | Tara BO | 📍 848209 | Singhia | Branch Post Office |
| 1548 | Tara | Mohiuddin Nagar R.S SO | 📍 848502 | Mohiuddinagar | Branch Post Office |
| 1549 | Tara | Madhaipur BO | 📍 848503 | Dalsinghsarai | Branch Post Office |
| 1550 | Tara Dhamaun | Taradhamaun BO | 📍 848504 | Patori | Branch Post Office |