| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 301. | Sonbarsa B.O | 841241 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Pachrukhi S.O | Siwan H.O |
| 302. | Sondhani B.O | 841408 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Bhagwanpur Hat S.O | Siwan H.O |
| 303. | Srikalpur B.O | 841435 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Guthni S.O | Siwan H.O |
| 304. | Sughri B.O | 841406 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Basantpur S.O (Siwan) | Siwan H.O |
| 305. | Surwala B.O | 841227 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Gaushalaroad Siwan S.O | Siwan H.O |
| 306. | Takipur S.O | 841244 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | 06153-111111 | - | Siwan H.O |
| 307. | Talli B.O | 841239 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mairwa S.O | Siwan H.O |
| 308. | Tari B.O | 841509 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Gabhirar S.O | Siwan H.O |
| 309. | Tariwani B.O | 841235 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Done S.O | Siwan H.O |
| 310. | Tarwa B.O | 841226 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Satation Road S.O | Siwan H.O |
| 311. | Tarwaparsa B.O | 841240 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Mahuwal Mahal S.O | Siwan H.O |
| 312. | Tarwara S.O | 841506 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | 06153-111111 | - | Siwan H.O |
| 313. | Telkathu B.O | 841286 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Bakerganj S.O | Siwan H.O |
| 314. | Tenua B.O | 841435 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Guthni S.O | Siwan H.O |
| 315. | Tethli B.O | 841232 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Barhria S.O | Siwan H.O |
| 316. | Tetria B.O | 841226 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Satation Road S.O | Siwan H.O |
| 317. | Thepaha Bazar B.O | 841245 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Ziradei | Siwan | - | Zeradei S.O | Siwan H.O |
| 318. | Titra B.O | 841245 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Zeradei S.O | Siwan H.O |
| 319. | Tiyan B.O | 841231 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Siwan | Siwan | - | Andar S.O | Siwan H.O |
| 320. | Trwa Parsia B.O | 841435 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Guthani | Siwan | - | Guthni S.O | Siwan H.O |
