| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 451 | Sisai | Sisai BO | 📍 852202 | Satar Kataiya | Branch Post Office |
| 452 | Sisauna | Sisauna BO | 📍 852216 | Mahishi | Branch Post Office |
| 453 | Sisauni | Balwahat BO | 📍 852106 | Simri Bakhtiarpur | Branch Post Office |
| 454 | Situahi | Simri Bakhtiarpur SO | 📍 852127 | Salkhua | Post Office - PO |
| 455 | Soha | Soha BO | 📍 852129 | Sonbarsa | Branch Post Office |
| 456 | Solindabad | Sulindabad BO | 📍 852202 | Kahara | Branch Post Office |
| 457 | Sonbarsa | Kenjari BO | 📍 852129 | Sonbarsa | Branch Post Office |
| 458 | Sonbarsa | Pararia BO | 📍 852129 | Sonbarsa | Branch Post Office |
| 459 | Sonbarsa | Shahpur BO | 📍 852129 | Sonbarsa | Branch Post Office |
| 460 | Sonbarsa | Sonbersa Raj SO | 📍 852129 | Sonbarsa | Post Office - PO |
| 461 | Sonkurthua | Manuar BO | 📍 852216 | Mahishi | Branch Post Office |
| 462 | Sonpura | Sonpura BO | 📍 852127 | Simri Bakhtiarpur | Branch Post Office |
| 463 | Sugma | Sugma BO | 📍 852129 | Banma Itahri | Branch Post Office |
| 464 | Suhath | Suhath BO | 📍 852221 | Saur Bazar | Branch Post Office |
| 465 | Sukhasan | Kathdumar BO | 📍 852106 | Simri Bakhtiarpur | Branch Post Office |
| 466 | Supaul | Baghwa BO | 📍 852216 | Mahishi | Branch Post Office |
| 467 | Tajpur | Rasalpur BO | 📍 852129 | Salkhua | Branch Post Office |
| 468 | Tarhi | Terhi BO | 📍 852216 | Mahishi | Branch Post Office |
| 469 | Tariawan | Tariama BO | 📍 852127 | Simri Bakhtiarpur | Branch Post Office |
| 470 | Teghra | Belhi Teghra BO | 📍 852106 | Simri Bakhtiarpur | Branch Post Office |
| 471 | Teghra | K.Balua BO | 📍 852216 | Mahishi | Branch Post Office |
| 472 | Telbadha | Telhar BO | 📍 852216 | Mahishi | Branch Post Office |
| 473 | Telhar | Telhar BO | 📍 852216 | Mahishi | Branch Post Office |
| 474 | Telwa | Telwa BO | 📍 852216 | Mahishi | Branch Post Office |
| 475 | Thanwar | B. Bhelahi BO | 📍 852216 | Mahishi | Branch Post Office |
| 476 | Tikpuli Chak Khuti Badh | Nauhatta SO | 📍 852123 | Nauhatta | Post Office - PO |
| 477 | Tilanthi | Rajanpur BO | 📍 852106 | Simri Bakhtiarpur | Branch Post Office |
| 478 | Tiri | T. Dhanchhoa BO | 📍 852121 | Saur Bazar | Branch Post Office |
| 479 | Tulsiahipatti | R.Tulsiahi BO | 📍 852124 | Satar Kataiya | Branch Post Office |
| 480 | Tuniahi | Purshotampur BO | 📍 852124 | Satar Kataiya | Branch Post Office |
| 481 | Turki | Bhatauni BO | 📍 852127 | Simri Bakhtiarpur | Branch Post Office |
| 482 | Ukahi | G.Bihra BO | 📍 852124 | Satar Kataiya | Branch Post Office |
| 483 | Utesra | Uteshra BO | 📍 852126 | Salkhua | Branch Post Office |