| Post office | Illalur B.O |
| Pin code | 603110 |
| Office type | B.O |
| Taluk / city | Chengalpattu |
| District name | Kanchipuram |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Chengalpattu |
| Region name | Chennai Region |
| Circle name | Tamilnadu |
| Related sub office | Tiruporur S.O |
| Related head office | Chengalpattu H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 603110 | Alathur Industrial Estate B.O | Chengalpattu | Kanchipuram | Tamil Nadu |
| 603110 | Illalur B.O | Chengalpattu | Kanchipuram | Tamil Nadu |
| 603110 | Venbedu B.O | Chengalpattu | Kanchipuram | Tamil Nadu |
| 603110 | Tiruporur S.O | NA | Kanchipuram | Tamil Nadu |
| 603110 | Kayar B.O | Tirukalikundram | Kanchipuram | Tamil Nadu |