There are 9 post offices under PIN code 630303.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Arakottai B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 2 | Devakottai Extension S.O | Sub Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 3 | Eluvankottai B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 4 | Hanumanthagudi B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 5 | Kannangudi B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 6 | Maviduthikottai B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 7 | Teralapur B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 8 | Tiruppakottai B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |
| 9 | Vengalore B.O | Branch Office | Delivery | Devakottai | Sivaganga | Karaikudi | Madurai | Tamil Nadu | Tamilnadu |