| Office Name | Mandapam B.O |
| Pincodes | 533406 |
| Area | Mandapam |
| Office Status | Branch Post Office |
| Postal Circle | Andhra Pradesh |
| Postal Division | Kakinada |
| Postal Region | Visakhapatnam |
| District | East Godavari |
| State | Andhra Pradesh |
| Telephone No. | Na |
| Office Name | Mandapam B.O |
| Pincodes | 524311 |
| Area | Mandapam |
| Office Status | Branch Post Office |
| Postal Circle | Andhra Pradesh |
| Postal Division | Nellore |
| Postal Region | Vijayawada |
| District | Nellore |
| State | Andhra Pradesh |
| Telephone No. | Na |
| Office Name | Mandapam B.O |
| Pincodes | 671326 |
| Area | Mandapam |
| Office Status | Branch Post Office |
| Postal Circle | Kerala |
| Postal Division | Kasaragod |
| Postal Region | Calicut |
| District | Kasargod |
| State | Kerala |
| Telephone No. | Na |
| Office Name | Mandapam S.O |
| Pincodes | 623518 |
| Area | Mandapam |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Ramanathapuram |
| Postal Region | Madurai |
| District | Ramanathapuram |
| State | Tamil Nadu |
| Telephone No. | 04573-242203 |