| Place | Post Code |
|---|---|
| Nadupatugai, Thiruvaiyaru | 613103 |
| Nagathi, Thiruvaiyaru | 613205 |
| Nanalkadu, Thiruvaiyaru | 614207 |
| Nathamangalam, Thiruvaiyaru | 613602 |
| Nemam, Thiruvaiyaru | 613104 |
| Nemam Padugai, Thiruvaiyaru | 613105 |
| Okkakudi, Thiruvaiyaru | 613204 |
| Olathevarayanpettai, Thiruvaiyaru | 613204 |
| Onbathuveli, Thiruvaiyaru | 613104 |
| Orathur, Thiruvaiyaru | 613602 |
| Othaveedu, Thiruvaiyaru | 613205 |
| Padirakudi, Thiruvaiyaru | 613102 |
| Palamaneri, Thiruvaiyaru | 613104 |
| Palamarneri, Thiruvaiyaru | 613104 |
| Palaya Arkadu, Thiruvaiyaru | 613104 |
| Panaveli, Thiruvaiyaru | 613101 |
| Papanasam Padugai, Thiruvaiyaru | 613105 |
| Pavanamangalam, Thiruvaiyaru | 613105 |
| Peramur, Thiruvaiyaru | 613204 |
| Piramanpettai, Thiruvaiyaru | 613602 |
| Ponnavarai, Thiruvaiyaru | 613201 |
| Poondi-TPL, Thiruvaiyaru | 613105 |
| Pudupalam Padugai, Thiruvaiyaru | 613105 |
| Punavasal, Thiruvaiyaru | 613204 |
| Puthirakudi, Thiruvaiyaru | 613102 |
| Rajandram, Thiruvaiyaru | 613205 |