| Place | Post Code |
|---|---|
| Perumathur Kudikadu, Kunnam | 621717 |
| Ponnagaram, Kunnam | 621133 |
| Puduammapalayam, Kunnam | 621118 |
| Pudukurichi, Kunnam | 621109 |
| Pudupettai, Kunnam | 621108 |
| Puduvettakudi, Kunnam | 621716 |
| S. Aduthurai, Kunnam | 621108 |
| Sathanur, Kunnam | 621106 |
| Seeranatham, Kunnam | 621708 |
| Sillakudi, Kunnam | 621653 |
| Siruganpur, Kunnam | 621113 |
| Sirukanpur, Kunnam | 621113 |
| Sirumathur, Kunnam | 621133 |
| Siruvayalur, Kunnam | 621118 |
| Sithali, Kunnam | 621708 |
| Sithali West, Kunnam | 621708 |
| Southmadavi, Kunnam | 621113 |
| T. Kalathur, Kunnam | 621114 |
| T. Keeranur, Kunnam | 621108 |
| Tenur, Kunnam | 621114 |
| Thanganagaram, Kunnam | 621708 |
| Therani, Kunnam | 621109 |
| Thimmur, Kunnam | 621106 |
| Thirumanthurai, Kunnam | 621108 |
| Thiruvilakurichi, Kunnam | 621109 |
| Thondappadi, Kunnam | 621116 |
| All postal codes in Perambalur | |
|---|---|
| Kunnam, Perambalur | |
| Perambalur, Perambalur | |
| Veppanthattai, Perambalur | |