PinCode: 632514, Ponnai Post Office, Katpadi, Vellore, Tamil Nadu
| Post Office | Ponnai |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 632514
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| Telephone | 04177-230520 |
| Town/Taluk | Katpadi |
| District | Vellore |
| State | Tamil Nadu |
| Postal Division | Arakkonam |
| Postal Region | Chennai Region |
| Postal Circle | Tamilnadu |
List of Other Post Offices in Katpadi, Vellore, Tamil Nadu