| Post Office | A.thekkur S.o |
| Division | Karaikudi |
| Region | Madurai |
| Circle | Tamilnadu |
| Taluka | Tiruppathur |
| District | Sivaganga |
| State | Tamil Nadu |
| Phone | 04577-292547 |
| Sub Office | NA |
| Head Office | Karaikudi H.O |
| Pincode |
630201
|
| Post Office | Ac.school B.o |
| Division | Karaikudi |
| Region | Madurai |
| Circle | Tamilnadu |
| Taluka | Karaikudi Sakkottai Block |
| District | Sivaganga |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Pallattur S.O |
| Head Office | Devakottai H.O |
| Pincode |
630107
|
| Post Office | Ae.college S.o |
| Division | Karaikudi |
| Region | Madurai |
| Circle | Tamilnadu |
| Taluka | Karaikudi |
| District | Sivaganga |
| State | Tamil Nadu |
| Phone | 04565-225424 |
| Sub Office | NA |
| Head Office | Karaikudi H.O |
| Pincode |
630003
|
| Post Office | Alagappapuram S.o |
| Division | Karaikudi |
| Region | Madurai |
| Circle | Tamilnadu |
| Taluka | Karaikudi |
| District | Sivaganga |
| State | Tamil Nadu |
| Phone | 04565-227997 |
| Sub Office | NA |
| Head Office | Karaikudi H.O |
| Pincode |
630003
|
| Post Office | Alangudi B.o |
| Division | Karaikudi |
| Region | Madurai |
| Circle | Tamilnadu |
| Taluka | Karaikudi Kallal Block |
| District | Sivaganga |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Managiri S.O |
| Head Office | Karaikudi H.O |
| Pincode |
630307
|
| Post Office | Amaravathipudur S.o |
| Division | Karaikudi |
| Region | Madurai |
| Circle | Tamilnadu |
| Taluka | Devakottai |
| District | Sivaganga |
| State | Tamil Nadu |
| Phone | 04561-272308 |
| Sub Office | NA |
| Head Office | Devakottai H.O |
| Pincode |
630301
|