| Place | Post Code |
|---|---|
| Adaiyapulam, Arani | 632317 |
| Adanur, Arani | 632317 |
| Agilandapuram, Arani | 632326 |
| Agraharapalayam, Arani | 632314 |
| Akkur, Arani | 632318 |
| Alagusenai, Arani | 632311 |
| Ammaiyapattu, Arani | 632316 |
| Ammapalayam, Arani | 604505 |
| Andipalayam, Arani | 632311 |
| Aniyalai, Arani | 606903 |
| Appanthangal, Arani | 632317 |
| Arayalam, Arani | 632326 |
| Arimanagar, Arani | 632311 |
| Arni, Arani | 632301, 632512 |
| Arunthathipalayam, Arani | 632314 |
| Athimalaipattu, Arani | 632315 |
| Chevur, Arani | 632316 |
| Chinna Pandi, Arani | 632314 |
| Chinnaiyampalayam, Arani | 632315 |
| Chitheri, Arani | 632316 |
| Chitira Vadi, Arani | 632311 |
| Devangapuram, Arani | 632315 |
| Devikapuram, Arani | 606902 |
| Eb Nagar, Arani | 632316 |
| Elluparai, Arani | 632314 |
| Enduvambady, Arani | 606903 |