| Place | Postal Code |
|---|---|
| Abdulla Puram, Wallajah | 631102 |
| Abiramachery, Wallajah | 632508 |
| Ammananthangal, Wallajah | 632513 |
| Ammoor, Wallajah | 632501 |
| Anandhalai, Wallajah | 632513 |
| Arapakkam, Wallajah | 632517 |
| Arungundram, Wallajah | 632509 |
| Arunthathi Palayam, Wallajah | 632501, 631102 |
| Ashok Palayam, Wallajah | 632501 |
| Ayilam, Wallajah | 632509 |
| Ayyampettai, Wallajah | 632508 |
| Balapuram, Wallajah | 632514 |
| Bhel Ranipet, Wallajah | 632406 |
| Chengalanoor, Wallajah | 631102 |
| Chengalnatham, Wallajah | 632520 |
| Chennesamudram, Wallajah | 632506 |
| Chettithangal, Wallajah | 632404 |
| Chinna Kambapalayam, Wallajah | 631102 |
| Chinna Kesavan Kuppam, Wallajah | 631102 |
| Chithathoor, Wallajah | 632501 |
| Chitteri, Wallajah | 632002 |
| Dhalavai Pattadai, Wallajah | 631102 |
| Echanodai, Wallajah | 632508 |
| Edakuppam, Wallajah | 632513 |
| Edapalayam, Wallajah | 632513 |
| Edayanthangal, Wallajah | 632508 |