| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1101 | Satbighi | Rajoun SO | 📍 813107 | Rajaun | Post Office - PO |
| 1102 | Satghara | Amarpur SO Banka | 📍 813101 | Amarpur | Post Office - PO |
| 1103 | Sathiari | Sathiari BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 1104 | Satiari | Ranghatta BO | 📍 813102 | Katoria | Head Post Office - H |
| 1105 | Sautadih | Rauja BO | 📍 813207 | Belhar | Branch Post Office |
| 1106 | Sautadih | Santadih BO | 📍 813212 | Belhar | Branch Post Office |
| 1107 | Sawaidih | Mirsapur BO | 📍 813211 | Shambhuganj | Branch Post Office |
| 1108 | Sekchani | Belhar SO | 📍 813202 | Belhar | Post Office - PO |
| 1109 | Semaria | Mathura Sahibganj BO | 📍 813202 | Belhar | Branch Post Office |
| 1110 | Semarpur | Salempur BO | 📍 813101 | Amarpur | Branch Post Office |
| 1111 | Seoka | Darha BO | 📍 813212 | Belhar | Branch Post Office |
| 1112 | Shadpur | Ramchandrapur Ithari BO | 📍 813102 | Banka | Head Post Office - H |
| 1113 | Shahganjbad | Katoria SO | 📍 813106 | Amarpur | Post Office - PO |
| 1114 | Shahpur | Salempur BO | 📍 813101 | Amarpur | Branch Post Office |
| 1115 | Shambhuganj | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 1116 | Shampur | Rajoun SO | 📍 813107 | Rajaun | Post Office - PO |
| 1117 | Shampur | Pasmanandpur BO | 📍 813207 | Shambhuganj | Branch Post Office |
| 1118 | Shampur Arazi | Sighnan BO | 📍 813105 | Rajaun | Branch Post Office |
| 1119 | Shampur Chak Munia | Sighnan BO | 📍 813105 | Rajaun | Branch Post Office |
| 1120 | Shemraudha | Patsorikhaira BO | 📍 813107 | Rajaun | Branch Post Office |
| 1121 | Shewan Chak | Bishanpur BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 1122 | Sihuri | Kolbuzurg BO | 📍 813101 | Amarpur | Branch Post Office |
| 1123 | Sijhat | Baliskadma BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 1124 | Sikandar Pur | Shyambazar BO | 📍 813104 | Bausi | Branch Post Office |
| 1125 | Sikandar Pur | Suyambazar BO | 📍 813104 | Bausi | Branch Post Office |
| 1126 | Silauta | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 1127 | Silauta Arazi | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 1128 | Silauta Bhatotar | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 1129 | Silauta Bhatotar Tinbighia | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 1130 | Siljori | Chandan SO | 📍 814131 | Chanan | Post Office - PO |
| 1131 | Simra | Pilua Jharna BO | 📍 813104 | Bausi | Branch Post Office |
| 1132 | Singarpur | Kajhia BO | 📍 813103 | Banka | Branch Post Office |
| 1133 | Singhnan | Sighnan BO | 📍 813105 | Rajaun | Branch Post Office |
| 1134 | Singhpur | Maikaita BO | 📍 813105 | Dhuraiya | Branch Post Office |
| 1135 | Sinpur | Khiribandha BO | 📍 812005 | Belhar | Branch Post Office |
| 1136 | Sirai | Pilua Jharna BO | 📍 813104 | Bausi | Branch Post Office |
| 1137 | Siria | Gokula BO | 📍 813104 | Bausi | Branch Post Office |
| 1138 | Sirinagar | Belhar SO | 📍 813202 | Belhar | Post Office - PO |
| 1139 | Siripathar | Shreepathar BO | 📍 813109 | Dhuraiya | Branch Post Office |
| 1140 | Siripathar | Shreepathas BO | 📍 813109 | Dhuraiya | Branch Post Office |
| 1141 | Sitabahiar | Golhatti BO | 📍 813104 | Bausi | Branch Post Office |
| 1142 | Sobhnathpur | Mahisota BO | 📍 813211 | Shambhuganj | Branch Post Office |
| 1143 | Sohani | Uprama BO | 📍 813107 | Rajaun | Branch Post Office |
| 1144 | Sonai Chak | Hasai BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 1145 | Sondiha | Sondiha Dharmdiha BO | 📍 813103 | Barahat | Branch Post Office |
| 1146 | Sondiha | Mirsapur BO | 📍 813211 | Shambhuganj | Branch Post Office |
| 1147 | Sonkhapra | Shreepathar BO | 📍 813109 | Dhuraiya | Branch Post Office |
| 1148 | Subhanpur | Katoria SO | 📍 813106 | Amarpur | Post Office - PO |
| 1149 | Sufi Chak | Maikaita BO | 📍 813105 | Dhuraiya | Branch Post Office |
| 1150 | Sugardobh | Belhar SO | 📍 813202 | Belhar | Post Office - PO |