Pincode 636404 is a 6-digit postal code serving 3 post offices in Salem district, Tamil Nadu. Gonur S.O is the Post Office for this area, located at 11.8198°N, 77.8556°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Salem delivery zone.
| Post Office | Type |
|---|---|
| Gonur S.O | Post Office |
| Andikarai B.O | Branch Post Office |
| Karuppureddiyur B.O | Branch 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.