| Post office | Karaikudi H.O |
| Pin code | 630001 |
| Office type | H.O |
| Taluk / city | Karaikudi |
| District name | Sivaganga |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Karaikudi |
| Region name | Madurai |
| Circle name | Tamilnadu |
| Related sub office | NA |
| Related head office | NA |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 630001 | Kallukatti S.O | Karaikudi | Sivaganga | Tamil Nadu |
| 630001 | Karaikudi Angadi B.O | Karaikudi | Sivaganga | Tamil Nadu |
| 630001 | Karaikudi H.O | Karaikudi | Sivaganga | Tamil Nadu |
| 630001 | Muthupatnam S.O | Karaikudi | Sivaganga | Tamil Nadu |
| 630001 | Senjai S.O | Karaikudi | Sivaganga | Tamil Nadu |