| Place | Postal Code |
|---|---|
| Alandur, Alandur | 600016 |
| Anakaputhur, Alandur | 600070 |
| Bharathipuram, Alandur | 600044 |
| Chennai Airport, Alandur | 600016 |
| Chromepet, Alandur | 600044 |
| Hasthinapuram, Alandur | 600064 |
| Nagalkeni, Alandur | 600044 |
| Nandambakkam Kudiyiruppu, Alandur | 600089 |
| Nanganallur, Alandur | 600061, 600088 |
| Nehrunagar, Alandur | 600044 |
| Nemilichery, Alandur | 600044 |
| Nilamangai Nagar, Alandur | 600088 |
| Old Pallavaram, Alandur | 600117 |
| Pallavaram, Alandur | 600043 |
| Pammal, Alandur | 600075 |
| Pammal East, Alandur | 600075 |
| Pazhavanthangal, Alandur | 600061 |
| Polichalur, Alandur | 600074 |
| Radhanagar, Alandur | 600044 |
| Rajajinagar, Alandur | 600043 |
| Saint Thomas Mount, Alandur | 600016 |
| Tiruneermalai, Alandur | 600132 |
| Tirusulam, Alandur | 600043 |