PIN code 643215 belongs to Ketti S.O (Sub Post Office), located in The Nilgiris district, Tamil Nadu. It falls under the Southern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Ketti S.O | SO | Sub Post Office |
| Kollimalai Oranalli B.O | BO | Branch Post Office |
| Ketti Palada B.O | BO | Branch Post Office |
| Shanthur B.O | BO | Branch Post Office |
