Kovaikulam BO is the primary post office registered under PIN code 627151 in Tirunelveli, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kovaikulam BO | BO | Branch Post Office |
| ASatankulam BO | BO | Branch Post Office |
| Ponnagudi BO | BO | Branch Post Office |
| Karuppukatti BO | BO | Branch Post Office |
| Thottakudi BO | BO | Branch Post Office |
| Maruthakulam SO | SO | Sub Post Office |
