| Place | Post Code |
|---|---|
| Abdullapuram, Cheyyar | 631702 |
| Agaram, Cheyyar | 604504 |
| Agatheripattu, Cheyyar | 604409 |
| Akkur, Cheyyar | 631701 |
| Alanthangal, Cheyyar | 604408, 604402 |
| Alathurai, Cheyyar | 604408 |
| Alinjalpattu, Cheyyar | 631701 |
| Alividaithangi, Cheyyar | 604402 |
| Anapathur, Cheyyar | 604401 |
| Anukkavoor, Cheyyar | 604401 |
| Aradrivelur, Cheyyar | 604402 |
| Arasanipalai, Cheyyar | 631702 |
| Arasankuppam, Cheyyar | 604410 |
| Arasur, Cheyyar | 604401 |
| Ariyanthangal, Cheyyar | 604504 |
| Arumparuthi, Cheyyar | 604407 |
| Arunthathi Palayam, Cheyyar | 604402, 604503, 604504, 604505, 632511 |
| Athi, Cheyyar | 604401 |
| Ayyavadi, Cheyyar | 604408 |
| Bagavandapuram, Cheyyar | 604503 |
| Barathanthangal, Cheyyar | 604402 |
| Boomanthangal, Cheyyar | 604407 |
| Brammadesam, Cheyyar | 632511 |
| Buderi, Cheyyar | 604407, 604402 |
| Chellaperumbulimedu, Cheyyar | 631701 |
| Chettithangal, Cheyyar | 606703, 632314 |