| Office Name | S.T.Brahmgyani B.O |
| Pincodes | 854204 |
| Area | S.T.Brahmgyani |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sadapur B.O |
| Pincodes | 855113 |
| Area | Sadapur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sadhubeli B.O |
| Pincodes | 854304 |
| Area | Sadhubeli |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sadipur Butha B.O |
| Pincodes | 854315 |
| Area | Sadipur Butha |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sagrath B.O |
| Pincodes | 855105 |
| Area | Sagrath |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sahara B.O |
| Pincodes | 854303 |
| Area | Sahara |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sahidganj B.O |
| Pincodes | 854204 |
| Area | Sahidganj |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sahja B.O |
| Pincodes | 854107 |
| Area | Sahja |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Salepur B.O |
| Pincodes | 854114 |
| Area | Salepur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Salmari S.O |
| Pincodes | 855113 |
| Area | Salmari |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | 06451-248230 |
| Office Name | Samda B.O |
| Pincodes | 854104 |
| Area | Samda |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sameli B.O |
| Pincodes | 854101 |
| Area | Sameli |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sameswar B.O |
| Pincodes | 855101 |
| Area | Sameswar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Kishanganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sandalpur B.O |
| Pincodes | 854106 |
| Area | Sandalpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sanjhaghat B.O |
| Pincodes | 854205 |
| Area | Sanjhaghat |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sankola B.O |
| Pincodes | 855102 |
| Area | Sankola |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Saraikuri B.O |
| Pincodes | 855108 |
| Area | Saraikuri |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Kishanganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sarsi S.O |
| Pincodes | 854306 |
| Area | Sarsi |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Purnia |
| State | Bihar |
| Telephone No. | 06467-244375 |
| Office Name | Sauriya B.O |
| Pincodes | 854107 |
| Area | Sauriya |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Semapur Factory S.O |
| Pincodes | 854115 |
| Area | Semapur Factory |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Katihar |
| State | Bihar |
| Telephone No. | 06457-264730 |