| Place | Post Code |
|---|---|
| Aathavathur, Avudayarkoil | 614629 |
| Achuthamangalam, Avudayarkoil | 614629 |
| Aduthamangalam, Avudayarkoil | 614618 |
| Agamudayanendal, Avudayarkoil | 614618 |
| Agrakaram, Avudayarkoil | 614618 |
| Akkiram, Avudayarkoil | 614618 |
| Akudikadu, Avudayarkoil | 614630 |
| Aladikadu, Avudayarkoil | 614630 |
| Alagankottai, Avudayarkoil | 614618 |
| Alamangalam, Avudayarkoil | 614629 |
| Alathimanai, Avudayarkoil | 622204 |
| Alathivayal, Avudayarkoil | 622204 |
| Alattur, Avudayarkoil | 614621 |
| Alkattivayal, Avudayarkoil | 614618 |
| Amaradakki, Avudayarkoil | 614618 |
| Ambakottaiyur, Avudayarkoil | 614629 |
| Ambalathadi, Avudayarkoil | 622204 |
| Ambalavananendal, Avudayarkoil | 614618 |
| Ambukkottai, Avudayarkoil | 622204 |
| Amburani, Avudayarkoil | 622202 |
| Andakudi, Avudayarkoil | 622204 |
| Arakkur, Avudayarkoil | 622204 |
| Arasur Madagam (Vattam), Avudayarkoil | 622204 |
| Atanjanvayal, Avudayarkoil | 622204 |
| Avadaiyar Kovil, Avudayarkoil | 614618 |
| Avanam, Avudayarkoil | 614629 |