| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 281. | Sarsar B.O | 841226 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Satation Road S.O | Siwan H.O |
| 282. | Sarwe B.O | 841227 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Gaushalaroad Siwan S.O | Siwan H.O |
| 283. | Satation Road S.O | 841226 | Sub Post Office | Non-Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | 06154-111111 | - | Siwan H.O |
| 284. | Sekhpura B.O | 841406 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Basantpur S.O (Siwan) | Siwan H.O |
| 285. | Semaria B.O | 841243 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Sahpur S.O | Siwan H.O |
| 286. | Sematar B.O | 841239 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mairwa S.O | Siwan H.O |
| 287. | Seotapur B.O | 841239 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mairwa S.O | Siwan H.O |
| 288. | Shakara B.O | 841506 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Tarwara S.O | Siwan H.O |
| 289. | Shiopur Sakra B.O | 841245 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Zeradei S.O | Siwan H.O |
| 290. | Sikandrpur B.O | 841434 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Goreakothi S.O | Siwan H.O |
| 291. | Siktia B.O | 841244 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Takipur S.O | Siwan H.O |
| 292. | Singhauli B.O | 841507 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mora S.O (Siwan) | Siwan H.O |
| 293. | Sirisia B.O | 841243 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Sahpur S.O | Siwan H.O |
| 294. | Sisahni B.O | 841245 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Zeradei S.O | Siwan H.O |
| 295. | Siswan Kala B.O | 841236 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Hasanpura S.O | Siwan H.O |
| 296. | Siwan Chowk Bazar S.O | 841226 | Sub Post Office | Non-Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | 06154-111111 | - | Siwan H.O |
| 297. | Siwan H.O | 841226 | Head Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | 06154-242989 | - | - |
| 298. | Siwan Mission House B.O | 841227 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Gaushalaroad Siwan S.O | Siwan H.O |
| 299. | Sohgra B.O | 841239 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mairwa S.O | Siwan H.O |
| 300. | Sohilpatti B.O | 841406 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Basantpur S.O (Siwan) | Siwan H.O |
