| Place | Post Code |
|---|---|
| Acharavakkam, Chengalpattu | 603108 |
| Agaram, Chengalpattu | 603105, 603108 |
| Alathur, Chengalpattu | 603110 |
| Alathur Industrial Estate, Chengalpattu | 603110 |
| Alathur Rf, Chengalpattu | 603110 |
| Amaiyampattu, Chengalpattu | 603105 |
| Amirthampallam, Chengalpattu | 603105 |
| Amoor, Chengalpattu | 603105 |
| Anjur, Chengalpattu | 603204 |
| Anjur R.F, Chengalpattu | 603204 |
| Appur, Chengalpattu | 603204 |
| Appur R.F, Chengalpattu | 603204 |
| Arungal, Chengalpattu | 603202 |
| Arungundram, Chengalpattu | 603105 |
| Athur, Chengalpattu | 603101 |
| Chengalpattu, Chengalpattu | 603002, 603001 |
| Chettipatturayamankuppam, Chengalpattu | 603108 |
| Chettipunniyam, Chengalpattu | 603204 |
| Chinna Irumbedu, Chengalpattu | 603105 |
| Chinnavippedu, Chengalpattu | 603109 |
| Dasarikunnathur, Chengalpattu | 603204 |
| Dasarikuppam, Chengalpattu | 603108 |
| Dhakshnavarthy, Chengalpattu | 603105 |
| Echankaranai, Chengalpattu | 603002 |
| Edarkundram, Chengalpattu | 603108 |
| Gudalore R.F, Chengalpattu | 603204 |