Kovilur B.O is the primary post office registered under PIN code 630307 in Sivaganga, Tamil Nadu. This code sits within the Southern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kovilur B.O | BO | Branch Post Office |
| Patharakudi B.O | BO | Branch Post Office |
| Alangudi B.O | BO | Branch Post Office |
| Kuthalur B.O | BO | Branch Post Office |
| Managiri S.O | SO | Sub Post Office |
