Pincode 600091 is a 6-digit postal code serving 3 post offices in Chennai district, Tamil Nadu. Madipakkam S.O is the Post Office for this area, located at 12.1024°N, 80.0193°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Chennai delivery zone.
| Post Office | Type |
|---|---|
| Madipakkam S.O | Post Office |
| Madipakkam South S.O | Post Office |
| Ram Nagar | Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Chennai, Tamil Nadu. Map data: OpenStreetMap, CARTO.