Pincode 603307 is a 6-digit postal code serving 5 post offices in Chengalpattu district, Tamil Nadu. Orathy SO is the Post Office for this area, located at 12.0047°N, 79.4998°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Chengalpattu delivery zone.
| Post Office | Type |
|---|---|
| Orathy SO | Post Office |
| Ananthamangalam BO | Branch Post Office |
| Minnal Sithamur BO | Branch Post Office |
| Sirudamur BO | Branch Post Office |
| Vadamanipakkam BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Chengalpattu, Tamil Nadu. Map data: OpenStreetMap, CARTO.