There are 5 post offices under PIN code 630312.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Kiliyur B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 2 | Neivayal B.O | Branch Office | Delivery | Devakottai | Ramanathapuram | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 3 | Puliyal S.O | Sub Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 4 | T.Nagani B.O | Branch Office | Delivery | Devakottai | Ramanathapuram | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 5 | Thidakottai B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |