| Office Name | Asaon S.O |
| Pincodes | 841287 |
| Area | Asaon |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | 06154-111111 |
| Office Name | Asaon B.O |
| Pincodes | 232336 |
| Area | Asaon |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ghazipur |
| Postal Region | Allahabad |
| District | Ghazipur |
| State | Uttar Pradesh |
| Telephone No. | Na |