| Place | Post Code |
|---|---|
| Surendiranthangal, Arani | 632315 |
| Thamaraipatti, Arani | 632315 |
| Thangal, Arani | 632314, 604505 |
| Thatchur, Arani | 632326 |
| Thellur, Arani | 604404 |
| Thenpoondiput, Arani | 604402 |
| Thimmampettai, Arani | 632311 |
| Thiruvazhinallur, Arani | 632317 |
| Thuntharigampattu, Arani | 632317 |
| V.V. Nagar, Arani | 632315 |
| Vadugasathu, Arani | 632316 |
| Vallakulam, Arani | 632512 |
| Vannankulam, Arani | 632315 |
| Velapadi-Arni, Arani | 632317 |
| Velleri, Arani | 632317 |
| Vettiyantholuvam, Arani | 632314 |
| Vilai, Arani | 632316 |
| Virupatchipuram, Arani | 632317 |
| Vithuvanthangal, Arani | 632512 |
| Vittathangal, Arani | 632311 |