| Office Name | Sidhauli B.O |
| Pincodes | 847101 |
| Area | Sidhauli |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Darbhanga |
| Postal Region | Muzaffarpur |
| District | Darbhanga |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sidhauli B.O |
| Pincodes | 273209 |
| Area | Sidhauli |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Gorakhpur |
| Postal Region | Gorakhpur |
| District | Gorakhpur |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Sidhauli S.O |
| Pincodes | 261303 |
| Area | Sidhauli |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Sitapur |
| Postal Region | Lucknow Hq |
| District | Sitapur |
| State | Uttar Pradesh |
| Telephone No. | 05864-273221 |