Pincode 603103 is a 6-digit postal code serving 3 post offices in Chengalpattu district, Tamil Nadu. Kelambakkam SO is the Post Office for this area, located at 12.1184°N, 80.3719°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Chengalpattu delivery zone.
| Post Office | Type |
|---|---|
| Kelambakkam SO | Post Office |
| Padur SO | Post Office |
| Pudupakkam 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.