| Place | Postal Code |
|---|---|
| Adayalampattu, Ambattur | 600095 |
| Alathur, Ambattur | 600055 |
| Alwarthirunagar, Ambattur | 600087 |
| Ambattur, Ambattur | 600053, 600054, 600055, 600058 |
| Anna Nagar Western Extension, Ambattur | 600101 |
| Arakkambakkam, Ambattur | 600055 |
| Ariyalur, Ambattur | 600103 |
| Athipet, Ambattur | 600058 |
| Avadi, Ambattur | 600062 |
| Ayanambakkam, Ambattur | 600095 |
| Ayapakkam, Ambattur | 600077 |
| Crp Camp So Tiruvallur, Ambattur | 600055 |
| Elandancheri, Ambattur | 600103 |
| Kadavur, Ambattur | 600055 |
| Karlapakkam, Ambattur | 602024 |
| Kilakondaiyur, Ambattur | 600055 |
| Korattur, Ambattur | 600050 |
| Korattur RS, Ambattur | 600076 |
| Kovilpadagai, Ambattur | 600062 |
| Lakshmipuram, Ambattur | 600099 |
| Maduravoyal, Ambattur | 600095 |
| Manjampakkam, Ambattur | 600060 |
| Mathur, Ambattur | 600103 |
| Melpakkam, Ambattur | 601201 |
| Mittanamalli, Ambattur | 600055 |
| Mogappair, Ambattur | 600037 |