Pincode 636406 is a 6-digit postal code serving 1 post office in Salem district, Tamil Nadu. Mettur Thermal Project S.O is the Post Office for this area, located at 11.7726°N, 77.8101°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Salem delivery zone.
| Post Office | Type |
|---|---|
| Mettur Thermal Project S.O | Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Salem, Tamil Nadu. Map data: OpenStreetMap, CARTO.