| Office Name | Kalna B.O |
| Pincodes | 231303 |
| Area | Kalna |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Mirzapur |
| Postal Region | Allahabad |
| District | Mirzapur |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Kalna S.O |
| Pincodes | 713409 |
| Area | Kalna |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Burdwan |
| Postal Region | South Bengal |
| District | Bardhaman |
| State | West Bengal |
| Telephone No. | 03454-255050 |