| Office Name | Mainpur S.O |
| Pincodes | 493888 |
| Area | Mainpur |
| Office Status | Sub Post Office |
| Postal Circle | Chattisgarh |
| Postal Division | Raipur |
| Postal Region | Raipur |
| District | Raipur |
| State | Chattisgarh |
| Telephone No. | 07706-241243 |
| Office Name | Mainpur B.O |
| Pincodes | 224149 |
| Area | Mainpur |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Faizabad |
| Postal Region | Lucknow Hq |
| District | Ambedkar Nagar |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Mainpur B.O |
| Pincodes | 274402 |
| Area | Mainpur |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Deoria |
| Postal Region | Gorakhpur |
| District | Kushinagar |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Mainpur B.O |
| Pincodes | 233224 |
| Area | Mainpur |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ghazipur |
| Postal Region | Allahabad |
| District | Ghazipur |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Mainpur B.O |
| Pincodes | 222161 |
| Area | Mainpur |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Jaunpur |
| Postal Region | Allahabad |
| District | Jaunpur |
| State | Uttar Pradesh |
| Telephone No. | Na |