| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 261. | S.S.Factory B.O | 841226 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Satation Road S.O | Siwan H.O |
| 262. | Sadarpur B.O | 841232 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Barhria S.O | Siwan H.O |
| 263. | Sadiha B.O | 841507 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mora S.O (Siwan) | Siwan H.O |
| 264. | Safiabad B.O | 841416 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Lakri Nabiganj | Siwan | - | Kishunpura S.O | Siwan H.O |
| 265. | Sahatwar B.O | 841439 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mustfabad S.O | Siwan H.O |
| 266. | Sahlaur B.O | 841227 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Gaushalaroad Siwan S.O | Siwan H.O |
| 267. | Sahpur S.O | 841243 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | 06157-111111 | - | Siwan H.O |
| 268. | Sahrkola B.O | 841406 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Basantpur S.O (Siwan) | Siwan H.O |
| 269. | Sahsrawan B.O | 841408 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Bhagwanpur Hat S.O | Siwan H.O |
| 270. | Sahuli B.O | 841286 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Bakerganj S.O | Siwan H.O |
| 271. | Saidpura B.O | 841439 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mustfabad S.O | Siwan H.O |
| 272. | Sani Basantpur B.O | 841439 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mustfabad S.O | Siwan H.O |
| 273. | Sanjalpur B.O | 841245 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Zeradei S.O | Siwan H.O |
| 274. | Santhi B.O | 841502 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Khujhwa S.O | Siwan H.O |
| 275. | Sarari B.O | 841434 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Goreakothi S.O | Siwan H.O |
| 276. | Sarauti B.O | 841241 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Pachrukhi S.O | Siwan H.O |
| 277. | Saraya Sah Mohamd B.O | 841506 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Tarwara S.O | Siwan H.O |
| 278. | Sareyarampur B.O | 841234 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Darauli S.O | Siwan H.O |
| 279. | Sarhrwa B.O | 841239 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mairwa S.O | Siwan H.O |
| 280. | Sarif Jalalpur B.O | 841416 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Kishunpura S.O | Siwan H.O |
