There are 6 post offices under PIN code 623402.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Chinnakeeramangalam S.O | Sub Office | Delivery | Tiruvadanai | Ramanathapuram | Ramanathapuram | Madurai | Tamil Nadu | Tamilnadu |
| 2 | Karkalathur B.O | Branch Office | Delivery | Devakottai | Sivaganga | Ramanathapuram | Madurai | Tamil Nadu | Tamilnadu |
| 3 | Muppaiyur B.O | Branch Office | Delivery | Devakottai | Sivaganga | Ramanathapuram | Madurai | Tamil Nadu | Tamilnadu |
| 4 | Orikottai B.O | Branch Office | Delivery | Devakottai | Ramanathapuram | Ramanathapuram | Madurai | Tamil Nadu | Tamilnadu |
| 5 | Sevvaipettai B.O | Branch Office | Delivery | Tiruvadanai | Ramanathapuram | Ramanathapuram | Madurai | Tamil Nadu | Tamilnadu |
| 6 | Thoonugudi B.O | Branch Office | Delivery | Devakottai | Sivaganga | Ramanathapuram | Madurai | Tamil Nadu | Tamilnadu |