| Place | Post Code |
|---|---|
| Punganur, Arcot | 632507 |
| Punnappadi, Arcot | 632503 |
| Putheri, Arcot | 632511 |
| Sakkaramallur, Arcot | 632511 |
| Sakkaramedu, Arcot | 632512 |
| Sanjivi Puram, Arcot | 632318 |
| Saravanthangal, Arcot | 632503 |
| Sattur, Arcot | 632521 |
| Sembakkam, Arcot | 632008 |
| Sembedu, Arcot | 632506 |
| Senganavaram, Arcot | 632518 |
| Sennaleri, Arcot | 632506 |
| Sennasamudram, Arcot | 632506 |
| Seyyathuvannan, Arcot | 632506 |
| Singanapet, Arcot | 632512 |
| Siruvidagam, Arcot | 632506 |
| Sithanthangal, Arcot | 632506 |
| Sivapuram, Arcot | 604407 |
| Soraiyur, Arcot | 632318 |
| Tajpura, Arcot | 632521 |
| Thanangudam, Arcot | 632507 |
| Thattachari, Arcot | 604407 |
| Thenmanapakkam, Arcot | 632513 |
| Timiri, Arcot | 632512 |
| Valanpettai, Arcot | 632507 |
| Valapandal, Arcot | 632318 |