| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 2801 | Sishwa | Kerwa BO | 📍 841411 | Ishupur | Branch Post Office |
| 2802 | Sishwa Purb Tola | Kerwa BO | 📍 841411 | Ishupur | Branch Post Office |
| 2803 | Sishwa Takath | Kerwa BO | 📍 841411 | Ishupur | Branch Post Office |
| 2804 | Siswa | Lejuar BO | 📍 841205 | Manjhi | Branch Post Office |
| 2805 | Siswa | Shyam Kauria BO | 📍 841411 | Ishupur | Branch Post Office |
| 2806 | Siswa | Nagra SO Saran | 📍 841442 | Marhaura | Post Office - PO |
| 2807 | Sitabganj | Parmanandpur BO | 📍 841101 | Sonepur | Branch Post Office |
| 2808 | sitalpatti | Lauwa BO | 📍 841424 | Taraiya | Branch Post Office |
| 2809 | Sitalpur | Shitalpur Bazar BO | 📍 841201 | Manjhi | Branch Post Office |
| 2810 | Sitalpur | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2811 | Sitalpur | Manjhi SO | 📍 841313 | Manjhi | Post Office - PO |
| 2812 | Sitalpur Bazar | Shitalpur Bazar BO | 📍 841201 | Manjhi | Branch Post Office |
| 2813 | Sitalpur Chak Mahartha | Khanpur BO | 📍 841207 | Dariapur | Branch Post Office |
| 2814 | Sitalpur Chakiya | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2815 | Sitalpur darn | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2816 | Sitalpur dih | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2817 | Sitalpur pirganj | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2818 | Sitalpur Sharmatoli | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2819 | Sitalpur Siwana | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2820 | Sitalpur station | Sitalpur SO | 📍 841221 | Dighwara | Post Office - PO |
| 2821 | Siuri | Saraon BO | 📍 841212 | Ekma | Branch Post Office |
| 2822 | Siuri | Dumarshan Bangra SO | 📍 841410 | Mashrakh | Post Office - PO |
| 2823 | Siuri | Masrakh SO | 📍 841417 | Mashrakh | Post Office - PO |
| 2824 | Siwari ke Mathia | Saraon BO | 📍 841212 | Ekma | Branch Post Office |
| 2825 | Slakh tola | Nayagaon SO | 📍 841217 | Sonepur | Post Office - PO |
| 2826 | Sobarna | Jhaua BO | 📍 841216 | Dighwara | Branch Post Office |
| 2827 | Sobeparsa | Babhangawa BO | 📍 841219 | Parsa | Branch Post Office |
| 2828 | Sobha tola | Fulwaria Tajpur SO | 📍 841209 | Manjhi | Post Office - PO |
| 2829 | Sobharna | Saidpur BO | 📍 841216 | Garkha | Branch Post Office |
| 2830 | Sobharna katin pur | Saidpur BO | 📍 841216 | Garkha | Branch Post Office |
| 2831 | Sobhepur | Dumari Bujurg BO | 📍 841217 | Sonepur | Branch Post Office |
| 2832 | Sobhepur | Sobhepur BO | 📍 841311 | Parsa | Branch Post Office |
| 2833 | Sobhipur | Basahi BO | 📍 841206 | Lahladpur | Branch Post Office |
| 2834 | Society Colony | Tari BO | 📍 841301 | Chapra | Post Office - PO |
| 2835 | Sonaha | Bhatha Sonho SO | 📍 841460 | Amnour | Post Office - PO |
| 2836 | Sonauli | Sonauli BO | 📍 841421 | Mashrakh | Branch Post Office |
| 2837 | Sonbarsa | Narpaliya BO | 📍 841313 | Manjhi | Branch Post Office |
| 2838 | Sonbarsa | Sonbarsa BO | 📍 841313 | Panapur | Branch Post Office |
| 2839 | Sonbarsa | Dumarshan Bangra SO | 📍 841410 | Panapur | Post Office - PO |
| 2840 | Sonbarsa | Rajdhani BO | 📍 841424 | Panapur | Branch Post Office |
| 2841 | Sonbarsa Chintaganj | Amnour SO | 📍 841401 | Maker | Post Office - PO |
| 2842 | Sonbarsa Darap | Amnour SO | 📍 841401 | Maker | Post Office - PO |
| 2843 | Sonbarsha darb | Kaituka Nandan BO | 📍 841460 | Maker | Branch Post Office |
| 2844 | Sonbarso | Badhakol BO | 📍 841215 | Maker | Branch Post Office |
| 2845 | Sonepur | Sonepur SO Saran | 📍 841101 | Sonepur | Post Office - PO |
| 2846 | Sonia | Lejuar BO | 📍 841205 | Manjhi | Branch Post Office |
| 2847 | Sonia | Sonia BO | 📍 841205 | Manjhi | Branch Post Office |
| 2848 | Sonia | Badar Zamin BO | 📍 841224 | Lahladpur | Branch Post Office |
| 2849 | Sonia | Telcha BO | 📍 841224 | Lahladpur | Branch Post Office |
| 2850 | Soraunu | Ekma Chaulk BO | 📍 841208 | Ekma | Branch Post Office |