PIN Code
600057 – Ennore RS S.O
4 post offices share PIN Code 600057 in Tiruvallur, Tamil Nadu.
| Post office | Type | Delivery | Division / Region / Circle |
|---|---|---|---|
| Ennore RS S.O Taluk: Ambattur | Sub Office | Non-Delivery | Tambaram / Chennai Region / Tamilnadu |
| Ennore Thermal Station S.O Taluk: Ponneri | Sub Office | Delivery | Tambaram / Chennai Region / Tamilnadu |
| Ernavur S.O | Sub Office | Non-Delivery | Tambaram / Chennai Region / Tamilnadu |
| Kamarajnagar B.O Taluk: Ponneri | Branch Office | Non-Delivery | Tambaram / Chennai Region / Tamilnadu |
Other PIN Codes in Tiruvallur
600019600037600049600050600051600052600053600054600055600056600058600060600062600065600066600067600068600071600072600076600077600087600095600098
Source: India Post – All India Pincode Directory (data.gov.in, GODL-India), retrieved 11 Oct 2026. Postal details can change – confirm with India Post for official purposes.