Avudayarkoil is Taluka (Tehsil) in Pudukkottai district of Tamil Nadu state. Avudayarkoil has 6 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 614629 | Adambur PIN Code | Pudukkottai | Avudayarkoil | Branch Office |
| 614618 | Alinjiyendal PIN Code | Pudukkottai | Avudayarkoil | Branch Office |
| 622204 | Karuvur PIN Code | Pudukkottai | Avudayarkoil | Branch Office |
| 614618 | Pandipathiram PIN Code | Pudukkottai | Avudayarkoil | Branch Office |
| 614618 | Tirupperunthurai PIN Code | Pudukkottai | Avudayarkoil | Sub Office |
| 614618 | Vilanur PIN Code | Pudukkottai | Avudayarkoil | Branch Office |