| Place | Post Code |
|---|---|
| Nethapakkam, Arcot | 632506 |
| Otteri, Arcot | 632512 |
| Ozhalai, Arcot | 632506 |
| Padi, Arcot | 632512 |
| Palaiyam, Arcot | 632512 |
| Palayanur, Arcot | 632512 |
| Pali, Arcot | 632518 |
| Pallavarayankulam, Arcot | 632504 |
| Panchapandavan Malai, Arcot | 632507 |
| Papperi, Arcot | 632503 |
| Parikalpattu, Arcot | 632506 |
| Pattanam, Arcot | 632507 |
| Pattikulaimedu, Arcot | 632507 |
| Paza Nadugudisai, Arcot | 632507 |
| Pennagar, Arcot | 632518 |
| Periamangalam, Arcot | 632518 |
| Perumanthangal, Arcot | 632504 |
| Perungalmedu, Arcot | 632511 |
| Pindithangal, Arcot | 632506 |
| Pinnanthangal, Arcot | 632506 |
| Ponnambalam, Arcot | 632318 |
| Poongodu, Arcot | 632503 |
| Pudu Nadugudisai, Arcot | 632507 |
| Pudu Punganur, Arcot | 632507 |
| Pudupadi, Arcot | 632503 |
| Pudur- Kaniyanur, Arcot | 632506 |