Karaikudi Kallal Block is Taluka (Tehsil) in Sivaganga district of Tamil Nadu state. Karaikudi Kallal Block has 6 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 630307 | Alangudi PIN Code | Sivaganga | Karaikudi Kallal Block | Branch Office |
| 630206 | Koratti PIN Code | Sivaganga | Karaikudi Kallal Block | Branch Office |
| 630206 | Kunnakudi PIN Code | Sivaganga | Karaikudi Kallal Block | Sub Office |
| 630307 | Kuthalur PIN Code | Sivaganga | Karaikudi Kallal Block | Branch Office |
| 630307 | Managiri PIN Code | Sivaganga | Karaikudi Kallal Block | Sub Office |
| 630307 | Patharakudi PIN Code | Sivaganga | Karaikudi Kallal Block | Branch Office |