| Office Name | Sirni Bazar B.O |
| Pincodes | 845425 |
| Area | Sirni Bazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sirsa Colony B.O |
| Pincodes | 845401 |
| Area | Sirsa Colony |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sirsia Ganesh B.O |
| Pincodes | 845426 |
| Area | Sirsia Ganesh |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sirsia Khurd B.O |
| Pincodes | 845301 |
| Area | Sirsia Khurd |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sirsiya Kala B.O |
| Pincodes | 845301 |
| Area | Sirsiya Kala |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sishani B.O |
| Pincodes | 845428 |
| Area | Sishani |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa Bazar B.O |
| Pincodes | 845422 |
| Area | Siswa Bazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa Khar Ar B.O |
| Pincodes | 845432 |
| Area | Siswa Khar Ar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa Patna B.O |
| Pincodes | 845432 |
| Area | Siswa Patna |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa Sounaha B.O |
| Pincodes | 845305 |
| Area | Siswa Sounaha |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswania B.O |
| Pincodes | 845301 |
| Area | Siswania |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sital Pur B.O |
| Pincodes | 845412 |
| Area | Sital Pur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sobaiya B.O |
| Pincodes | 845417 |
| Area | Sobaiya |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Son Barsa B.O |
| Pincodes | 845422 |
| Area | Son Barsa |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sonwal B.O |
| Pincodes | 845425 |
| Area | Sonwal |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sraiya Gopal B.O |
| Pincodes | 845457 |
| Area | Sraiya Gopal |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sripur Kawaiya B.O |
| Pincodes | 845303 |
| Area | Sripur Kawaiya |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sugaon B.O |
| Pincodes | 845456 |
| Area | Sugaon |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sugauli S.O |
| Pincodes | 845456 |
| Area | Sugauli |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | 06252-280230 |
| Office Name | Sugaulia Bazar B.O |
| Pincodes | 845456 |
| Area | Sugaulia Bazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |