| Office Name | Jamuaon B.O |
| Pincodes | 841239 |
| Area | Jamuaon |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jamuaon B.O |
| Pincodes | 824143 |
| Area | Jamuaon |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Aurangabad Bihar |
| Postal Region | Patna Hq |
| District | Aurangabad Bh |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jamuaon B.O |
| Pincodes | 802159 |
| Area | Jamuaon |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhojpur |
| Postal Region | Patna Hq |
| District | Bhojpur |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jamuaon B.O |
| Pincodes | 221718 |
| Area | Jamuaon |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ballia |
| Postal Region | Gorakhpur |
| District | Ballia |
| State | Uttar Pradesh |
| Telephone No. | Na |