| Place | Post Code |
|---|---|
| Agarathipattinam, Omalur | 636012 |
| Akkariyanur, Omalur | 636455 |
| Alaganampatti, Omalur | 636305 |
| Alagapuram, Omalur | 636451 |
| Alagusamudram, Omalur | 636013 |
| Amaragundhi, Omalur | 636503 |
| Amarakundhi, Omalur | 636503 |
| Anaimedu, Omalur | 636305 |
| Andikottai, Omalur | 636351 |
| Andipatti, Omalur | 636305 |
| Ariyampatti, Omalur | 636501 |
| Aru Kottai, Omalur | 636351 |
| Arurpatti, Omalur | 636502 |
| Asarikadu, Omalur | 636309 |
| Athipatti, Omalur | 636501 |
| Athipattipudur, Omalur | 636501 |
| Athirampatty, Omalur | 636503 |
| Attukaranur, Omalur | 636304 |
| B. Kathir Chettipatty, Omalur | 636304 |
| Bakkiri Kadu, Omalur | 636351 |
| Balakki, Omalur | 636455 |
| Balbakki, Omalur | 636455 |
| Banapuram Thoppu, Omalur | 636503 |
| Bharathipuram, Omalur | 636451 |
| Bommiampatti, Omalur | 636451 |
| Bommiyampatti, Omalur | 636351 |
| All postal codes in Salem | |
|---|---|
| Attur, Salem | |
| Edappadi, Salem | |
| Gangavalli, Salem | |
| Mettur, Salem | |
| Omalur, Salem | |
| Salem, Salem | |
| Sankari, Salem | |
| Vazhapadi, Salem | |
| Yercaud, Salem | |