In Sivaganga district, Tamil Nadu, PIN code 630566 is anchored by Aralikottai BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Aralikottai BO | BO | Branch Post Office |
| Mallakottai BO | BO | Branch Post Office |
| Eriyur SO | SO | Sub Post Office |
