Karaikudi is Taluka (Tehsil) in Sivaganga district of Tamil Nadu state. Karaikudi has 25 areas (postal offices). Karaikudi has a Head Office and the PIN Code of Karaikudi is 630001.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 630321 | A Karungulam PIN Code | Sivaganga | Karaikudi | Branch Office |
| 630003 | Ae College PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630003 | Alagappapuram PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630202 | Ariyakudi PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630101 | Attangudi PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630003 | Cecri Campus PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630102 | Chettinad PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630101 | Chockalingampudur PIN Code | Sivaganga | Karaikudi | Branch Office |
| 630202 | Illuppakudi PIN Code | Sivaganga | Karaikudi | Branch Office |
| 630305 | Kallal PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630001 | Kallukatti PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630103 | Kanadukathan PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630104 | Kandanur PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630001 | Karaikudi PIN Code | Sivaganga | Karaikudi | Head Office |
| 630001 | Karaikudi Angadi PIN Code | Sivaganga | Karaikudi | Branch Office |
| 630002 | Karaikudi Southstreet PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630105 | Kothamangalam Sivaganga PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630106 | Kottaiyur PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630001 | Muthupatnam PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630107 | Pallattur PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630108 | Puduvayal PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630002 | Sekkalai PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630313 | Sembanur PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630001 | Senjai PIN Code | Sivaganga | Karaikudi | Sub Office |
| 630202 | Unjanai PIN Code | Sivaganga | Karaikudi | Branch Office |