| Office Name | Serua B.O |
| Pincodes | 813104 |
| Area | Serua |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Shambhuganj S.O |
| Pincodes | 813211 |
| Area | Shambhuganj |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | 06420-258122 |
| Office Name | Shankarpur B.O |
| Pincodes | 812004 |
| Area | Shankarpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Shaukarpur B.O |
| Pincodes | 813210 |
| Area | Shaukarpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Shobnathpur B.O |
| Pincodes | 813203 |
| Area | Shobnathpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Shreepathar B.O |
| Pincodes | 813109 |
| Area | Shreepathar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Shreepathas B.O |
| Pincodes | 813109 |
| Area | Shreepathas |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Shyambazar B.O |
| Pincodes | 813104 |
| Area | Shyambazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sian B.O |
| Pincodes | 813206 |
| Area | Sian |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sighnan B.O |
| Pincodes | 813105 |
| Area | Sighnan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Silhan B.O |
| Pincodes | 813204 |
| Area | Silhan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sishua B.O |
| Pincodes | 813221 |
| Area | Sishua |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Munger |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sobhanpur Katoria B.O |
| Pincodes | 813101 |
| Area | Sobhanpur Katoria |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Soguni B.O |
| Pincodes | 813211 |
| Area | Soguni |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sohail B.O |
| Pincodes | 813204 |
| Area | Sohail |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sonbarsa B.O |
| Pincodes | 853201 |
| Area | Sonbarsa |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sondiha Babhangama B.O |
| Pincodes | 813103 |
| Area | Sondiha Babhangama |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sondiha Dharmdiha B.O |
| Pincodes | 813103 |
| Area | Sondiha Dharmdiha |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Banka |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Srighia Makandpur B.O |
| Pincodes | 853204 |
| Area | Srighia Makandpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Bhagalpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Srimaha B.O |
| Pincodes | 853204 |
| Area | Srimaha |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhagalpur |
| Postal Region | Patna Hq |
| District | Purnia |
| State | Bihar |
| Telephone No. | Na |