Kethandapatti Sugar Mills S.O is the primary post office registered under PIN code 635815 in Tirupathur, Tamil Nadu. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kethandapatti Sugar Mills S.O | SO | Sub Post Office |
| Athurkuppam B.O | BO | Branch Post Office |
| Kethandapatti B.O | BO | Branch Post Office |
