In Sivaganga district, Tamil Nadu, PIN code 630002 is anchored by Karaikudi Southstreet S.O, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 2 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Karaikudi Southstreet S.O | SO | Sub Post Office |
| Sekkalai S.O | SO | Sub Post Office |
